List of acronyms and initialisms

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This list contains acronyms, initialisms, and pseudo-blends.

For the purposes of this list:

  • acronym = an abbreviation pronounced as a series of constituent letters, e.g., SARS = severe acute respiratory syndrome
  • initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc
  • pseudo-blend = an abbreviation whose extra or omitted letters means that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
(a) = acronym in the example: SARS - (a) Severe acute respiratory syndrome
(i) = initialism in the example: CD - (i) Compact disc
(p) = pseudo-blend in the example: UNIFEM - (p) United Nations Development Fund for Women
(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz - Megahertz)

Contents

[edit] Add new entries here or in the sub-pages

Please add your own entries, in this page or in the appropriate sub-page. Use a quasi-dictionary order, with lowercase treated the same as uppercase and ignoring non-alphanumeric characters (hyphens and such). This means that only alphanumeric characters have any significance in determining order, and that lowercase letters occupy the same ordering position as uppercase (in tie-breaker cases, list lower case first). For example: Ka appears before KA. (This differs from a strict ASCII ordering.)

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List of acronyms and initialisms

A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z

[edit] 0–9

  • 1, = Onekama, Michigan
  • 2D - (i) Two-dimensional
  • 2.5D - (p) "Two-and-a-half-dee": two-dimensional computer graphics where some flat images lie in front of others
  • 2G - (i) Second-generation mobile (cellular, wireless) telephone system
  • 2.5G - (p) Second-and-a-half-generation mobile telephone system
  • 3D - (i) Three-dimensional
  • 3G - (i) Third-generation mobile telephone system
  • 3i - (i) Investors In Industry (venture capitalists)
  • 3M - (i) Minnesota Mining and Manufacturing Company
  • 4D - (i) Four-dimensional (usually three spatial plus one temporal dimension, sometimes 4 spatial ones)
  • 4G - (i) Fourth-generation mobile telephone system
  • 4GL - (i) Fourth-generation programming language
  • 4WD - (i) Four Wheel Drive (cf. AWD)

[edit] See also

[edit] External links

Look up acronym in Wiktionary, the free dictionary.
  • AbbreviationZ.com directory of acronyms and abbreviations (over 330,000 entries)
  • Acronym Finder searchable database of acronyms and abbreviations (over 575,000 entries)
  • Acronym Search searchable database of acronyms and abbreviations (over 50,000 entries)
  • Acronyms List searchable database of acronyms and abbreviations (over 40,000 entries)
  • Acronym Server searchable database of acronyms and abbreviations (over 20,000 entries)
  • All Acronyms searchable database of acronyms and abbreviations (over 610,000 entries)
  • Apronyms & Acronyms
Look up initialism in Wiktionary, the free dictionary.
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