Definitions of ACRONYM on the Web:
A word formed from the initial letters of a series of words. (eg, IEEE is an acronym for Institute of Electrical and Electronics Engineers).
www.lib.vt.edu/help/instruct/glossary.html
will wrap the term in an <acronym> tag and give the title attribute the appropriate description.
support.bryght.com/adminguide/glossary
A word that is formed by combining parts of other words. For instance, modem is derived from MODulator/DEModulator. Often these are the first letters of a longer phrase. For instance, BTW is the acronym for By The Way, IMHO stands for In My Humble Opinion.
www.compukiss.com/ck/glossary/glossary.cfm
A word formed from the initial letters or syllables of other words; for example, radar (Radio Detecting and Ranging)
library.thinkquest.org/23846/library/terms/
A word formed from the initial letter or letters of a series of words in a phrase (cf. Abbreviation). The advantages of a commercial acronym are that it may challenge the consumer to "solve the puzzle," as if it were a vanity license plate (eg TCBY, The Country's Best Yogurt), or else present the consumer with a prefabricated bit of upscale slang (eg DKNY, Donna Karan New York and MGD, Miller Genuine Draft). ...
www.catch-word.com/glossary.html
An abbreviation of the first letters of a phrase or the long name of an organization that forms a word or conveys a message. In electronic communication or online documents, acronyms are used as writing shorthand or a method to communicate humor. Examples include IMHO (in my humble opinion), F2F (face-to-face), and WYSIWYG (what you see is what you get). See
http://www.marshall.edu/isp/ct107/emoticons.html for an online reference to frequently-used acronyms.
www.csus.edu/uccs/training/online/glossary.htm
a new word or pronounceable and hence memorable name coined from the first or first few letters or parts of a phrase or compound term (HUD for Housing and Urban Development).
www.kings.edu/library/glossaryr.htm
Literally, an acronym is a word formed by the initial letters of a phrase or title. In the online environment, acronyms are used to conserve time and space in an electronic message, as well as to express humor. Examples of commonly used acronyms are: ASAP (as soon as possible), FYI (for your information), IMHO (in my humble opinion, as IMO, in my opinion), FWIW (for what it's worth), etc.
www.coloradomtn.edu/distlearn/resources/glossary.html
a word, such as SCUBA, which has been created by taking the first letter of each word in a compound name or description.
www.techcommunicators.com/dkmanual/glossary.html
an abbreviation which is made up of the initial letters of a group of words, and is pronounced as a single word, for example: RAM (Random Access Memory).
www.tta.gov.uk/php/read.php
is a word made up of the initial letter of each of a series of words; the initials themselves do not constitute an acronym. Example: scuba, self-contained underwater breathing apparatus, is an acronym; PTA, Parent-Teacher Association, is not.
www.state.tn.us/education/ci/cistandards2001/la/cilaglossary.htm
A word formed from the initial letters of a name, such as AHT for average handling time, or by combining initial letters or parts of a series of words, such as RADAR for RAdio Detecting And Ranging.
www.flexiblelearning.net.au/toolbox/demosites/series3/317/resources/glossary/gls_idx.htm
Word formed from the first letter or letters of the words in a term or phrase, for example: RADAR, SCUBA, NATO.
www.pnl.com.au/glossary/cid/28/t/glossary
An abbreviation composed of the initial letters or syllables of a compound term and which is pronounced as a single word. Examples: Disk Operating System = DOS; L'ATelier du TERminologue = LATTER.
www.translationbureau.gc.ca/pwgsc_internet/fr/publications/gratuit_free/man_termino/glossaire_e.htm
a word formed from the initial letters of the several words in the name
wordnet.princeton.edu/perl/webwn
Acronyms and initialisms are abbreviations formed from the initial letter or letters of words, such as NATO and XHTML, and are pronounced in a way that is distinct from the full pronunciation of what the letters stand for.
en.wikipedia.org/wiki/Acronym