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The letter a with a diacritic
Diacritical marks


acute accent ( ´ )
double acute accent ( ˝ )
grave accent ( ` )
double grave accent (  ̏ )

breve ( ˘ )
caron / háček ( ˇ )
cedilla ( ¸ )
circumflex ( ^ )
diaeresis / umlaut ( ¨ )
dot ( · )

anunaasika ( ˙ )
anusvara (  ̣ )
chandrabindu (   ँ   ঁ   ઁ   ଁ ఁ )

hook / dấu hỏi (  ̉ )
horn / dấu móc (  ̛ )
macron ( ¯ )
ogonek ( ˛ )
ring / kroužek ( ˚, ˳ )
rough breathing / spiritus asper (    )
smooth breathing / spiritus lenis (  ᾿  )

Marks sometimes used as diacritics

apostrophe ( )
bar ( | )
colon ( : )
comma ( , )
hyphen ( ˗ )
tilde ( ~ )
titlo (  ҃ )

A diacritic (/daɪəˈkrɪtɪk/) (also diacritical mark, diacritical point, diacritical sign) is an ancillary glyph added to a letter, or basic glyph. The term derives from the Greek διακριτικός (diakritikós, "distinguishing"). Diacritic is both an adjective and a noun, whereas diacritical is only an adjective. Some diacritical marks, such as the grave and acute, but not the cedilla, are often called accents. Diacritical marks may appear above or below a letter, or in some other position such as within the letter.

The main use of diacritics in the Latin alphabet is to change the sound value of the letter to which they are added. Examples from English are the cedilla in façade, which shows it is pronounced /s/ rather than /k/; the diaeresis in coöperate, which shows the two vowels are pronounced separately; and the acute and grave 'accents' which show a final vowel is to be pronounced, as in saké and poetic breathèd. In other Latin alphabets, they may distinguish between homonyms, such as French "there" vs la "the", which are both pronounced [la]. In Gaelic type, a dot over the letter f indicates that it is silent.

In other alphabetic systems diacritics may perform other functions. For example, Hebrew vowel pointing and Vietnamese tone marks indicate sounds (vowels and tones) which are not conveyed by the basic alphabet. Indic virama and Arabic sukun mark the absence of a vowel. Cantillation marks indicate prosody. Other uses include Old Slavic titlo, which marks abbreviations, and Greek diacritics which showed that letters of the alphabet were being used as numerals.

In orthography and collation, a letter modified by a diacritic may be treated either as a new, distinct letter or as a letter–diacritic combination. This varies from language to language and, in some cases, from case to case within a language.


[edit] Types

Among the types of diacritic are these:

Some of these marks are sometimes diacritics, but also have other uses: that applies to the tilde, dot, comma, titlo, apostrophe, bar, and colon.

The dot on the letter i of the Latin alphabet originated as a diacritic to clearly distinguish i from the vertical strokes of adjacent letters. It first appeared in the sequence ii (as in ingeníí) in Latin manuscripts of the 11th century, then spread to i adjacent to m, n, u before being used for all lower-case i. The j, which separated from the i later, inherited the "dot". The shape of the diacritic developed from initially resembling today's acute accent to a long flourish by the 15th century. With the advent of Roman type it was reduced to the round dot we have today.[1]

The Basic modern Latin alphabet
Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz

history palaeography derivations diacritics punctuation numerals Unicode list of letters ISO/IEC 646

[edit] Diacritics specific to non-Latin alphabets

[edit] Arabic

  • (ئ ؤ إ أ and stand alone ء) hamza: indicates a glottal stop.
  • (ــًــٍــٌ ) tanwīn (تنوين) symbols. Serve a grammatical role in Arabic. The sign ًـً‎ is most commonly written in combination with ا‎ (Alif), ‎e.g. ـًا ‎.
  • (ـّـ) shadda: Gemination (doubling) of consonants.
  • (ٱ ) waṣla: Indicates where an alif is not pronounced.
  • (آ ) madda. A replacement for two alifs in a row. Read as a glottal stop followed by a long /aː/.
  • (ــٰ) superscript alif (also "short" or "dagger alif". A rare replacement for "long" Alif in some words.
  • ḥarakāt (In Arabic: حركات also called تشكيل tashkīl).
    • (ـَ ) fatḥa (a)
    • (ـِ ) kasra (i)
    • (ـُ ) ḍamma (u)
    • (ـْـ ) sukūn (no vowel)
  • The ḥarakāt or vowel points serve two purposes:
    • They serve as a phonetical guide. They indicate the presence of short vowels (fatḥa, kasra or ḍamma) or their absence (s ukūn).
    • At the last letter of a word, the vowel point reflects the inflection case or conjugation mood.
      • For nouns, The 'ḍamma' is for the nominative, 'fatḥa' for the accusative, and 'kasra' for the genitive.
      • For verbs, the 'ḍamma' is for the imperfective, 'fatḥa' for the perfective, and the 'sukūn' is for verbs in the imperative or jussive moods.
  • Vowel points or tashkīl should not be confused with consonant points or iʿjam (إعجام‎) - one, two or three dots written above or below a consonant to distinguish between letters of the same or similar form.

[edit] Greek

These diacritics are used in addition to the acute, grave, and circumflex accents and the diaeresis:

[edit] Hebrew

  • Other

[edit] Non-alphabetic scripts

Some non-alphabetic scripts also employ symbols that function essentially as diacritics.

  • Non-pure abjads (such as Hebrew and Arabic script) and abugidas use diacritics for denoting vowels. Hebrew and Arabic also indicate consonant doubling and change with diacritics; Hebrew and Devanagari use them for foreign sounds. Devanagari and related abugidas also use a diacritical mark called a virama to mark the absence of a vowel. In addition, Devanagari uses the moon-dot chandrabindu ( ).
  • The Japanese hiragana and katakana syllabaries use the dakuten (゛) and handakuten (゜) (in Japanese: 濁点 and 半濁点) symbols, also known as nigori (濁) or ten-ten (点々) and maru (丸), to indicate voiced consonants or other phonetical changes.
  • Emoticons are commonly created with diacritic symbols, especially Japanese emoticons on popular boards such as 2chan and the many other imageboards suffixed -chan.

[edit] Alphabetization or collation

Different languages use different rules to put diacritic characters in alphabetical order. French treats letters with diacritical marks the same as the underlying letter for purposes of ordering and dictionaries.

The Scandinavian languages, by contrast, treat the characters with diacritics ä, ö and å as new and separate letters of the alphabet, and sort them after z. Usually ä is sorted as equal to æ (ash) and ö is sorted as equal to ø (o-slash). Also, aa, when used as an alternative spelling to å, is sorted as such. Other letters modified by diacritics are treated as variants of the underlying letter, with the exception that ü is frequently sorted as y.

Languages that treat accented letters as variants of the underlying letter usually alphabetize words with such symbols immediately after similar unmarked words. For instance, in German where two words differ only by an umlaut, the word without it is sorted first in German dictionaries (e.g. schon and then schön, or fallen and then fällen). However, when names are concerned (e.g. in phone books or in author catalogues in libraries), umlauts are often treated as combinations of the vowel with a suffixed e; Austrian phone books now treat characters with umlauts as separate letters (immediately following the underlying vowel).

In Spanish, the grapheme ñ is considered a new letter different from n and collated between n and o, as it denotes a different sound from that of a plain n. But the accented vowels á, é, í, ó, ú are not separated from the unaccented vowels a, e, i, o, u as the acute accent in Spanish only modifies stress within the word, not the sound of a letter.

For a comprehensive list of the collating orders in various languages, see Collating sequence.

[edit] Generation with computers

Modern computer technology was developed mostly in the English-speaking countries, so data formats, keyboard layouts, etc., were developed with a bias favouring English, a language with a "simple" alphabet, one without diacritical marks. This has led to fears internationally that the marks and accents may be made obsolete to facilitate the worldwide exchange of data.[citation needed] Efforts have been made to create internationalized domain names that further extend the English alphabet (e.g., "pokémon.com").

Depending on the keyboard layout, which differs amongst countries, it is more or less easy to enter letters with diacritics on computers and typewriters. Some have their own keys; some are created by first pressing the key with the diacritic mark followed by the letter to place it on. Such a key is sometimes referred to as a dead key, as it produces no output of its own, but modifies the output of the key pressed after it.

In modern Microsoft Windows operating systems, the keyboard layout US International allows one to type Latin letters with the acute, grave, circumflex, diæresis, tilde, and cedilla found in Western European languages (specifically, those combinations found in the ISO Latin-1 character set) directly: "+e gives ë, ~+o gives õ, etc. On Apple Macintosh computers, there are keyboard shortcuts for the most common diacritics; Option-e followed by a vowel places an acute accent, Option-u followed by a vowel gives an umlaut, option-c gives a cedilla, etc. Diacritics can be composed in most X Window System keyboard layouts.

On computers, the availability of code pages determines whether one can use certain diacritics. Unicode solves this problem by assigning every known character its own code; if this code is known, most modern computer systems provide a method to input it. With Unicode, it is also possible to combine diacritical marks with most characters.

[edit] Languages with letters containing diacritics

The following languages have letters which contain diacritics.

Germanic and Celtic
  • Danish and Norwegian uses additional characters like the o-slash ø and the a-circle å. These letters are collated after z and æ, in the order ø, å.
  • Faroese uses acute accents and other special letters. All are considered separate letters and have their own place in the alphabet: á, í, ó, ú, ý, and ø.
  • Icelandic uses acute accents and other special letters. All are considered separate letters, and have their own place in the alphabet: á, é, í, ó, ú, ý, and ö.
  • Among the Scandinavian languages, Danish and Norwegian have long used o-slash (ø), but have more recently incorporated a-ring (å) after Swedish example. Historically the å has developed from a ligature by writing a small a on top of the letter a; if an å character is unavailable, some Scandinavian languages allow the substitution of a doubled a. The Scandinavian languages collate these letters after z, but have different collation standards.
  • Swedish uses characters identical to a-diaeresis (ä) and o-diaeresis (ö) in the place of ash and o-slash in addition to the a-circle (å). Historically the diaresis for the Swedish letters ä and ö, like the German umlaut, has developed from a small gothic e written on top of the letters. These letters are collated after z, in the order å, ä, ö.
  • Galician: as in Spanish, the character ñ is a letter and collated between n and o
  • Leonese: could use ñ or nn.
  • Romanian uses a breve on the letter a (ă) to indicate the sound schwa /ə/, as well as a circumflex over the letters a (â) and i (î) for the sound /ɨ/. Romanian also writes a comma below the letters s (ș) and t (ț) to represent the sounds /ʃ/ and /ʦ/, respectively. These characters are collated after their non-diacritic equivalent.
  • Spanish: the character ñ is considered a letter, and collated between n and o.
  • Bosnian and Croatian have the symbols ć, č, đ, š and ž, which are considered separate letters and are listed as such in dictionaries and other contexts in which words are listed according to alphabetical order. Bosnian and Croatian also have one digraph including a diacritic, which is also alphabetised independently, and follows d and precedes đ in the alphabetical order. The Serbian Latin alphabet contains the same letters, but the Serbian Cyrillic alphabet has no diacritics.
  • The Czech alphabet contains 27 graphemes (letters) when written without diacritics and 42 graphemes when written including them. Czech uses the acute (á é í ó ú ý), the háček (č ď ě ň ř š ť ž), and for one letter (ů) the ring.
  • Polish has the following letters: ą ć ę ł ń ó ś ź ż. These are considered to be separate letters, each of them is placed in alphabet right after its Latin counterpart (i.e. ą between a and b), ź and ż are placed after z in this order.
  • The Slovak alphabet uses the acute (á é í ó ú ý ĺ ŕ), caron (č ď ľ ň š ť ž), umlaut (ä) and circumflex accent (ô).
  • The Slovene alphabet has the symbols č, š and ž, which are considered separate letters and are listed as such in dictionaries and other contexts in which words are listed according to alphabetical order.
  • Latvian has the following letters: ā ē ī ū ŗ ļ ķ ņ ģ š ž č.
  • Lithuanian. In general usage, where letters appear with the caron (č, š and ž) they are considered as separate letters from c, s or z and collated separately; letters with the ogonek (ą, ę, į and ų), the macron (ū) and the superdot (ė) are considered as separate letters as well, but not given a unique collation order.
  • Estonian has a distinct letter õ which contains a tilde. Estonian "dotted vowels" ä, ö, ü are similar to German, but these are also distinct letters, not like German umlauted letters. All four have their own place in the alphabet, between w and x. Carons in š or ž appear only in foreign proper names and loanwords. Also these are distinct letters, placed in the alphabet between s and t.
  • Finnish uses dotted vowels (ä and ö). As in Swedish and Estonian, these are regarded as individual letters, rather than vowel + umlaut combinations (as happens in German). It also uses the characters å, š and ž in foreign names and loanwords. In the Finnish alphabet, å, ä and ö collate as separate letters after z, the others as variants of their base letter.
  • Hungarian uses the umlaut, the acute and double acute accent (unique to Hungarian): ö ü, á é í ó ú and ő ű. The acute accent indicates the long form of a vowel (in case of i/í, o/ó, u/ú) while the double acute performs the same function for ö and ü. The acute accent can also indicate a different sound (more open, like in case of a/á, e/é). Both long and short forms of the vowels are listed separately in the Hungarian alphabet but members of the pairs a/á, e/é, i/í, o/ó, ö/ő, u/ú and ü/ű are collated in dictionaries as the same letter.
  • Livonian has the following letters: ā, ä, ǟ, , ē, ī, ļ, ņ, ō, ȯ, ȱ, õ, ȭ, ŗ, š, ț, ū, ž.
  • Azerbaijani includes the distinct Turkish alphabet letters Ç, Ğ, I, İ, Ö, Ş and Ü.
  • Crimean Tatar includes the distinct Turkish alphabet letters Ç, Ğ, I, İ, Ö, Ş and Ü. Unlike Standard Turkish (but like Cypriot Turkish), Crimean Tatar also has the letter Ñ.
  • Gagauz includes the distinct Turkish alphabet letters Ç, Ğ, I, İ, Ö, Ş and Ü. Unlike Turkish, Gagauz also has the letters Ä, Ê and Ţ. Ţ is derived from the Romanian alphabet for the same sound.
  • Turkish uses a G with a breve (Ğ), two letters with a diaeresis (Ö and Ü, representing two rounded front vowels), two letters with a cedilla (Ç and Ş, representing the affricate /tʃ/ and the fricative /ʃ/), and also possesses a dotted capital İ (and a dotless lowercase ı representing a high unrounded back vowel). In Turkish each of these are separate letters, rather than versions of other letters, where dotted capital İ and lower case i are the same letter, as are dotless capital I and lowercase ı. Typographically, Ç and Ş are often rendered with a subdot, as in ; when a hook is used, it tends to have more a comma shape than the usual cedilla. The new Azerbaijani, Crimean Tatar, and Gagauz alphabets are based on the Turkish alphabet and its same diacriticized letters, with some additions.
  • Albanian has two special letters Ç and Ё upper and lowercase. They are placed next to the most similar letters in the alphabet, c and e correspondingly.
  • Esperanto has the symbols ŭ, ĉ, ĝ, ĥ, ĵ and ŝ, which are included in the alphabet, and considered separate letters.
  • Hawaiian uses the kahakô (macron) over vowels, although there is some disagreement over considering them as individual letters. The kahakô over a vowel can completely change the meaning of a word that is spelled the same but without the kahakô.
  • Kurdish uses the symbols Ç, Ê, Î, Ş and Û with other 26 standard Latin alphabet symbols.
  • Maltese uses a C, G, and Z with a dot over them (Ċ, Ġ, Ż), and also has an H with an extra horizontal bar. For uppercase H, the extra bar is written slightly above the usual bar. For lowercase H, the extra bar is written crossing the vertical, like a t, and not touching the lower part (Ħ, ħ). The above characters are considered separate letters. The letter 'c' without a dot has fallen out of use due to redundancy. 'Ċ' is pronounced like the English 'ch' and 'k' is used as a hard c as in 'cat'. The digraph 'għ' (called għajn after the Arabic letter name ʻayn for ع) is considered separate, and sometimes ordered after 'g', whilst in other volumes it is placed between 'n' and 'o' (the Latin letter 'o' originally evolved from the shape of Phoenician ʻayin which was traditionally collated after Phoenician nūn).
  • Vietnamese uses the horn diacritic for the letters ơ and ư; the circumflex for the letters â, ê, and ô; the breve for the letter ă; and a bar through the letter đ.
Cyrillic alphabets
  • Belarusian has a letter ў.
  • Belarusian, Bulgarian, Russian and Ukrainian have the letter й.
  • Belarusian and Russian have the letter ё. In Russian, this letter is usually replaced in print by е, although it has a different pronunciation. The use of е instead of ё in print does not affect the pronunciation. Ё is still used in children's books and in handwriting, is always used in dictionaries. A minimal pair is все (vse, "all" pl.) and всё (vsyo, "everything" n. sg.). In Belarusian the replacement by е is a mistake, in Russian, it is possible to use either е and ё in print in place of ё but the former is more common.
  • Ukrainian has the letter ï.
  • Macedonian has the letters ќ and ѓ.
  • The acute accent " ́" above any vowel in Cyrillic alphabets is used in dictionaries, books for children and foreign learners to indicate the word stress, it also can be used for disambiguation of similarly spelled words with different lexical stresses.

[edit] Diacritics that do not produce new letters

Blackboard used in class at Harvard shows students' efforts at placing the ü and acute accent diacritic used in Spanish orthography.

English is one of the few European languages that does not have many words which contain diacritical marks (with the exception of the apostrophe in word contractions). Exceptions are unassimilated foreign loanwords, including borrowings from French and increasingly Spanish; however, the diacritic is also sometimes omitted from such words. Loanwords that frequently appear with the diacritic in English include café, résumé (a usage that helps distinguish it from the verb resume, though the former is often written resumé), and naïveté (see List of English words with diacritics). In older practice (and even among some orthographically conservative modern writers) one may see examples such as élite and rôle.

English once used the diaeresis more often than not in words such as coöperation (from Fr. coopération) and zoölogy (from Lat. zoologia), but this practice has become far less common (The New Yorker's house style is one of the few major publications to retain this feature, and various individual writers still use it). It is not competely extinct, but not common. English has also added a diacritic to a common spelling of maté (from Sp. and Port. mate).

A few English words can only be distinguished from others by a diacritic or modified letter, including animé, exposé, lamé, maté, öre, øre, pâté, piqué, rosé. The same is true of résumé, alternately resumé, but nevertheless it is sometimes spelled resume in the US, and saké, which is more commonly spelled sake.

The acute and grave accents are occasionally used in poetry and lyrics: the acute to indicate stress overtly where it might be ambiguous (rébel vs. rebél) or nonstandard for metrical reasons (caléndar), the grave to indicate that an ordinarily silent or elided syllable is pronounced (warnèd, parlìament). In certain personal names such as Renée and Zoë, the diacritical marks are included more often than omitted.

[edit] Other languages

The following languages have letter-diacritic combinations that are not considered independent letters.

  • Afrikaans uses diaeresis to mark vowels that are pronounced separately and not as one would expect where they occur together, for example voel (to feel) as opposed to voël (bird). The circumflex is used in ê, î, ô and û generally to indicate long close-mid, as opposed to open-mid vowels, for example in the words wêreld (world) and môre (morning, tomorrow). The acute accent is used to add emphasis in the same way as underlining or writing in bold or italics in English, for example Dit is jóú boek (It is your book). The grave accent is used to distinguish between words that are different only in placement of the stress, for example appel (apple) and appèl (appeal) and in a few cases where it makes no difference to the pronunciation but distinguishes between homophones. The two most usual cases of the latter are the in the sayings òf... òf (either... or) and nòg... nòg (neither... nor) to distinguish them from of (or) and nog (again, still).
  • Aymara uses a diacritical horn over p, q, t, k, ch.
  • Catalan has the following composite characters: à, ç, é, è, í, ï, ó, ò, ú, ü, l·l. The acute and the grave accent indicate stress and vowel height, the cedilla marks the result of a historical palatalization, the diaeresis mark indicates either a hiatus, or that the letter u is pronounced when the graphemes gü, qü are followed by e or i, the interpunct (·) distinguishes the different values of ll/l·l.
  • Czech has the following composite characters: á, ď, é, ě, í, ň, ó, ť, ú, ů, ý.
  • Dutch uses the diaeresis. For example in ruïne it means that the u and the i are separately pronounced in their usual way, and not in the way that the combination ui is normally pronounced. Thus it works as a separation sign and not as an indication for an alternative version of the i. Diacritics can be used for emphasis (érg koud for very cold) or for disambiguation between a number of words that are spelled the same when context doesn't indicate the correct meaning (één appel = one apple, een appel = an apple; vóórkomen = to occur, voorkómen = to prevent). Grave and acute accents are used on a very small number of words, mostly loanwords. The ç also appears in some loanwords.
  • Faroese. Non-Faroese accented letters are not added to the Faroese alphabet. These include é, ö, ü, å and recently also letters like š, ł, and ć.
  • Filipino has the following composite characters: á, à, â, é, è, ê, í, ì, î, ó, ò, ô, ú, ù, û. The actual use of diacritics for Filipino, however, is rare.
  • Finnish. Carons in š and ž appear only in foreign proper names and loanwords, but may be substituted with sh or zh if and only if it is technically impossible to produce accented letters in the medium. Contrary to Estonian, š and ž are not considered distinct letters in Finnish.
  • French uses the grave accent (accent grave), the acute accent (accent aigu), the circumflex (accent circonflexe), the cedilla (cédille), and the diaeresis.
  • Galician vowels can bear a grave accent (á, é, í, ó, ú) to indicate stress or difference between two otherwise same written words (é, '(he/she) is' vs. e, 'and'), but trema is only used with ï and ü to show diaeresis in pronunciation. Only in foreign words Galician may use of another diacritics as ç (widely used in the Middle Age) ê or à.
  • German uses the three so-called umlauts ä, ö and ü. These diacritics indicate vowel changes. For instance the word Ofen /'o:fən/ (English: oven) has the plural Öfen /'ø:fən/ (ovens). The sign originated in a superscript e; a handwritten Sütterlin e resembles two parallel vertical lines, like an umlaut.
  • Hebrew has many various diacritic marks known as niqqud that are used above and below script to represent vowels. These must be distinguished from cantillation, which are keys to pronunciation and syntax.
  • The International Phonetic Alphabet uses diacritic symbols and diacritic letters to indicate phonetic features or secondary articulations.
  • Irish uses acute accent to indicate that the vowel is long. It is known as síneadh fada (long sign) or simply fada (long) in Irish.
  • Italian mainly has the acute and the grave (à, è/é, ì, ò/ó, ù), typically to indicate a stressed syllable which would not be stressed under the normal rules of pronunciation but sometimes also to distinguish between words which are otherwise spelled the same way (e.g. "e", and; "è", is).
  • Lithuanian uses the acute, grave and tilde in dictionaries to indicate stress types in the language's pitch accent system.
  • Maltese sometimes uses diacritics on some vowels to indicate stress or long vowels, but this is restricted to pronunciation assistance in dictionaries.
  • Occitan has the following composite characters: á, à, ç, é, è, í, ï, ó, ò, ú, ü, n·h, s·h. The acute and the grave accent indicate stress and vowel height, the cedilla marks the result of a historical palatalization, the diaeresis mark indicates either a hiatus, or that the letter u is pronounced when the graphemes gü, qü are followed by e or i, the interpunct (·) distinguishes the different values of nh/n·h and sh/s·h.
  • Portuguese has the following composite characters: à, á, â, ã, ç, é, ê, í, ó, ô, õ, ú. The acute and the circumflex accent indicate stress and vowel height, the grave accent indicates crasis, the tilde represents nasalization, and the cedilla marks the result of a historical palatalization.
  • Acute accents are also used in Slavic language dictionaries and textbooks to indicate lexical stress, placed over the vowel of the stressed syllable. This can also serve to disambiguate meaning (e.g., in Russian писа́ть (pisáť) means "to write", but пи́сать (písať) means "to piss"), or "бо́льшая часть" (the biggest part) vs "больша́я часть" (the big part).
  • Slovak has the acute (á, é, í, ĺ, ó, ŕ, ú, ý), the caron (č, ď, dž, ľ, ň, š, ť, ž), the circumflex (only above o - ô) and the diaeresis (only above a - ä).
  • Spanish uses the acute accent and the diaeresis. The acute is used on a vowel in a stressed syllable in words with irregular stress patterns. It can also be used to "break up" a diphthong as in tío (pronounced /'tio/, rather than /tjo/ as it would be without the accent). Moreover, the acute can be used to distinguish words that otherwise are spelt alike, such as si ("if") and ("yes"), and also to distinguish interrogative and exclamative pronouns from homophones with a different grammatical function, such as donde/¿dónde? ("where"/"where?") or como/¿cómo? ("as"/"how?") The diaeresis is used only over u (ü) so that it be pronounced /w/ in the combinations gue and gui (where u is normally silent), for example ambigüedad. In poetry, the diaeresis may be used on i and u as a way to force a hiatus. Very rarely, the "dotted l" may also be found, especially in loanwords, in order to indicate that the letters "ll" should not be pronounced as the Castilian letter "elle," but rather, as the letter "ele," in much the way that a diaeresis might be used to "break" a diphthong in other languages. This is accent mark, however, derives from other Iberian languages.[citation needed]
  • Swedish uses the acute accent to show non-standard stress, for example in kafé (café) and resumé (résumé). This occasionally helps resolve ambiguities, such as ide (hibernation) versus idé (idea). In these words, the acute accent is not optional. Some proper names use non-standard diacritics, such as Carolina Klüft and Staël von Holstein. For foreign loanwords the original accents are strongly recommended, unless the word has been infused into the language, in which case they are optional. Hence crème fraîche but ampere.
  • Tamil does not have any diacritics in itself, but uses the Hindu numerals 2, 3 and 4 as diacritics to represent aspirated, voiced, and voiced-aspirated consonants when the Tamil script is used to write long passages in Sanskrit.
  • Thai has its own system of diacritics derived from Indic numerals, which denote different tones.
  • Vietnamese uses the acute accent (dấu sắc), the grave accent (dấu huyền), the tilde (dấu ngã), the dot below (dấu nặng) and the hook (dấu hỏi) on vowels as tone indicators.
  • Welsh uses the circumflex, diaeresis, acute and grave accents on its seven vowels a, e, i, o, u, w, y. The most common is the circumflex (which it calls to bach, meaning "little roof", or acen grom "crooked accent", or hirnod "long sign") to denote a long vowel, usually to disambiguate it from a similar word with a short vowel. The rarer grave accent has the opposite effect, shortening vowel sounds which would usually be pronounced long. The acute accent and diaeresis are also occasionally used, to denote stress and vowel separation respectively. The w-circumflex and the y-circumflex are among the most commonly accented characters in Welsh, but unusual in languages generally, and were until recently very hard to obtain in word-processed and HTML documents.

[edit] Transliteration

Several languages which are not written with the Roman alphabet are transliterated, or romanized, using diacritics. Examples:

  • Chinese has several romanizations that use the umlaut, but only on u (ü). In Hanyu Pinyin, the four tones of Mandarin Chinese are denoted by the macron (first tone), acute (second tone), caron (third tone) and grave (fourth tone) diacritics. Example: ā, á, ǎ, à.
  • Romanized Japanese (Romaji) uses diacritics to mark long vowels. The Hepburn romanization system uses a macron to mark long vowels, and the Kunrei-shiki and Nihon-shiki systems use a circumflex.
  • Sanskrit, as well as many of its descendants, like Hindi and Bengali, uses a lossless transliteration system for representing words in the Roman alphabet. This includes several letters with diacritical markings, such as horizontal lines above vowels (ā, ī, ū), dots above and below consonants (ṛ, ḥ, ṃ, ṇ, ṣ, ṭ, ḍ) as well as a few others (ś, ñ).
  • Arabic has several romanisations, depending on the type of the application, region, intended audience, country, etc. many of them extensively use diacritics, e.g. some methods use a dot for rendering emphatic consonants (ṣ, ṭ, ḍ, ẓ, ḥ). Macron is often used to render long vowels. š is often used for /ʃ/. ġ for /ɣ/.

[edit] See also

[edit] References

  1. ^ OED

[edit] External links

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