acronym.
An abbreviation formed by the initial letters of other words.
Meaning & usage
An abbreviation formed by the initial letters of other words. Generally such abbreviations, including those pronounced as individual letters (initialisms such as "TNT").
An abbreviation formed by the initial letters of other words. Exclusively such abbreviations when pronounced as a word (as "laser" or "NATO").
An abbreviation formed by the beginning letters or syllables of other words; this sense includes syllabic abbreviations such as Benelux and satnav.
Where this word comes from
Borrowed from German Akronym (from Ancient Greek ἄκρον (ákron, “end; peak”) + ὄνυμα (ónuma, “name”)), modelled after Homonym and Synonym, first attested in German in the early 1900s and in English in 1940. By surface analysis, acro- (prefix meaning ‘beginning; high’) + -onym (suffix meaning ‘name’)
To form into an acronym.
Where this word comes from
Borrowed from German Akronym (from Ancient Greek ἄκρον (ákron, “end; peak”) + ὄνυμα (ónuma, “name”)), modelled after Homonym and Synonym, first attested in German in the early 1900s and in English in 1940. By surface analysis, acro- (prefix meaning ‘beginning; high’) + -onym (suffix meaning ‘name’)
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.