Dictionary and style-guide editors dispute whether the term acronym can be legitimately applied to abbreviations which are not pronounced as words, and there is no general agreement on standard acronym spacing, casing, and punctuation. The phrase that the acronym stands for is called its expansion. Find out what any acronym , abbreviation , or initialism stands for With more than 1,000,000 human-edited definitions, Acronym Finder is the world's largest and most comprehensive dictionary of acronyms , abbreviations , and initialisms. Combined with the Acronym Attic, Acronym Finder contains more than 5 million acronyms and abbreviations . Acronym definition: a word formed from the initial letters or groups of letters of words in a set phrase or series of words and pronounced as a separate word, as Wac from Women's Army Corps, OPEC from Organization of Petroleum Exporting Countries, or loran from long-range navigation.. Acronym, abbreviation formed from the initial letter or group of letters of two or more words . The term dates to the 1940s and derives from the Greek words akros, meaning “topmost” or “highest,” and onyma, meaning “name” or “word.”
