From Longman Dictionary of Contemporary Englishacronymac‧ro‧nym /ˈækrənɪm/ noun [countable] SLa word made up from the first letters of the name of something such as an organization. For example, NATO is an acronym for the North Atlantic Treaty Organization.
Examples from the Corpus
acronym• The trading name, Agra, is an acronym of their first names.• Others say the name is an acronym, formed from the initials of three of the first amateur operators.• The layers of jargon and acronyms are explained to reveal the systems and products underneath.• Many new terms and acronyms are noted, but some of them are not satisfactorily explained.• Use of acronyms is complicated by the fact that many now have multiple meanings.• It was called UDAG-a sincere-sounding acronym that covered a multitude of sins.• Making this unlovely acronym come alive is the job of two committees being set up in Brussels this week.From Longman Business Dictionaryacronymac‧ro‧nym /ˈækrənɪm/ noun [countable] a word made up of the first letters of the name of something such as an organization. For example, NATO is an acronym for the North Atlantic Treaty OrganizationOrigin acronym (1900-2000) acr- “beginning, end” (from Greek akr-, from akros; → ACROBAT) + -onym (as in homonym)