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List of acronyms: 0–9

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

For the purposes of this list:

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

Some terms are spoken as either acronym or initialism, e.g., VoIP, pronounced both as voyp and V-O-I-P.

0–9

  • 0D – Zero-dimensional
  • 1, – Onekama, Michigan (word play based on "one, comma")
  • 1AM – Air mechanic 1st class
  • 1D – One-dimensional
  • 2AM – Air mechanic 2nd class
  • 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
  • 2LA – Two letter acronym
  • 2Lt – 2nd lieutenant
  • 3AM – Air mechanic 3rd class
  • 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 four spatial ones)
  • 4G – (i) Fourth-generation mobile telephone system
  • 4GL – (i) Fourth-generation programming language
  • 4WD – (i) Four-wheel drive
  • 5D – Five-dimensional
  • 5G – fifth generation mobile telephone system
  • 6D – Six-dimensional
  • 7D – Seven-dimensional
  • 8D – Eight-dimensional
  • 9D – Nine-dimensional

See also

  • Abbreviations.com database of acronyms and abbreviations (over 330,000 entries)
  • askacronym.com Ask Acronym acronyms and expansions with a description about it
  • Acronym Search database of acronyms and abbreviations (over 50,000 entries)
  • Acronyms List database of acronyms and abbreviations (over 40,000 entries)
  • Acronym Geek database of acronyms and initialisms (over 3,000,000 entries)
  • All Acronyms database of acronyms and abbreviations (over 860,000 entries)
  • Apronyms & Acronyms a collection of acronyms
  • Internet Acronym Server database of acronyms with submission form (over 33,000 entries)
  • Smart Define database of acronyms and abbreviations (over 2,000,000 entries)
  • Special Dictionary acronyms and abbreviation database
  • Laurier Library Canadian Government abbreviations and acronyms]
  • Logistics World Transportation Acronyms with some U.S. Government and Military Acronyms
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