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)

[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)

Because of the list's size, acronyms and initialisms beginning with certain characters appear in separate articles.

Contents
0–9 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

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] A

See List of acronyms and initialisms: A

[edit] B

See List of acronyms and initialisms: B

[edit] C

See List of acronyms and initialisms: C

[edit] D

See List of acronyms and initialisms: D

[edit] E

See List of acronyms and initialisms: E

[edit] F

See List of acronyms and initialisms: F

[edit] G

See List of acronyms and initialisms: G

[edit] H

See List of acronyms and initialisms: H

[edit] I

See List of acronyms and initialisms: I

[edit] J

See List of acronyms and initialisms: J

[edit] K

See List of acronyms and initialisms: K

[edit] L

See List of acronyms and initialisms: L

[edit] M

See List of acronyms and initialisms: M

[edit] N

See List of acronyms and initialisms: N

[edit] O

See List of acronyms and initialisms: O

[edit] P

See List of acronyms and initialisms: P

[edit] Q

See List of acronyms and initialisms: Q

[edit] R

See List of acronyms and initialisms: R

[edit] S

See List of acronyms and initialisms: S

[edit] T

See List of acronyms and initialisms: T

[edit] U

See List of acronyms and initialisms: U

[edit] V

See List of acronyms and initialisms: V

[edit] W

See List of acronyms and initialisms: W

[edit] X

See List of acronyms and initialisms: X

[edit] Y

See List of acronyms and initialisms: Y

[edit] Z

See List of acronyms and initialisms: Z

Contents:	Top - 0–9 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] 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 530,000 entries)
Acronym Search searchable database of acronyms and abbreviations (over 50,000 entries)
Acronym Server searchable database of acronyms and abbreviations (over 20,000 entries)
Apronyms & Acronyms

Look up initialism in Wiktionary, the free dictionary.

IT Acronyms
Logistics World - U.S. Government and Military Acronyms
NC3A list of acronyms
Need an apronym created?
Special Dictionary Acronyms and abbreviation database with lookup function
The Free Acronym Dictionary, by Farlex
U.S. DoD Dictionary of Military and Associated Terms

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