ANの定義と意味 - メリアム・ウェブスター

AN Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition indefinite article preposition conjunction abbreviation (1) prefix noun suffix (1) adjective suffix noun suffix (2) abbreviation (2) indefinite article 9 indefinite article preposition conjunction abbreviation (1) prefix noun suffix (1) adjective suffix noun suffix (2) abbreviation (2) Word History Rhymes Entries Near Related Articles Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In an 1 of 9 indefinite article ən , (ˈ)an : a entry 2 an opera an honor A vs. an : Usage Guide In speech and writing a is used before a consonant sound. a door a human Before a vowel sound an is usual an icicle an honor but especially in speech a is used occasionally, more often in some dialects than in others. a apple a hour a obligation Before a consonant sound represented by a vowel letter a is usual a one a union but an also occurs though less frequently now than formerly. an unique such an one Before unstressed or weakly stressed syllables with initial h both a and an are used in writing. a historic an historic In the King James Version of the Old Testament and occasionally in writing and speech an is used before h in a stressed syllable. an huntress an hundred children are an heritage of the Lord — Psalms 127:3 (King James Version) an 2 of 9 preposition ən , (ˌ)an : a entry 3 sense 1 sixty miles an hour an 3 of 9 conjunction variants or an' 1 see and : and 2 ˈan archaic : if an 4 of 9 abbreviation (1) year an- 5 of 9 prefix see a- entry 2 -an 6 of 9 noun suffix (1) variants or -ian or less commonly -ean 1 : one that is of or relating to Americ an 2 : one skilled in or specializing in phonetic ian -an 7 of 9 adjective suffix variants or -ian or less commonly -ean 1 : of or belonging to Americ an Florid ian 2 : characteristic of : resembling Mozart ean -an 8 of 9 noun suffix (2) 1 : unsaturated organic compound fur an 2 : anhydride of a carbohydrate dextr an AN 9 of 9 abbreviation (2) airman (Navy) Word History Etymology Indefinite article Middle English, from Old English ān one — more at one Preposition Middle English an, on, going back to Old English a-, an, on — more at on entry 1 Abbreviation (1) Latin annum; annus Noun suffix (1) -an & -ian from Middle English -an, -ian , from Anglo-French & Latin; Anglo-French -ien , from Latin -ianus , from -i- + -anus , from -anus , adjective suffix; -ean from such words as Mediterranean, European Noun suffix (2) International Scientific Vocabulary -an, -ane , alteration of -ene, -ine , & -one First Known Use Indefinite Article before the 12th century, in the meaning defined above Preposition before the 12th century, in the meaning defined above Conjunction 12th century, in the meaning defined at sense 1 Time Traveler The first known use of an was before the 12th century See more words from the same century Rhymes for an ban bran can cann clan duan fan flan gran jann klan lan See All Rhymes for an Browse Nearby Words Amytal an an- See all Nearby Words Articles Related to an 'A' or 'an'? What about before 'h'? An... When to use each, and when to say 'either one works' Cite this Entry Style MLA Chicago APA Merriam-Webster “An.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/an. Accessed 1 May. 2026. Copy Citation Kids Definition an 1 of 4 indefinite article ən , (ˈ)an : a entry 2 — used before words beginning with a vowel sound an oak an hour an- 2 of 4 see a- entry 2 -an 3 of 4 noun suffix variants or -ian also -ean 1 : one that belongs to Americ an Boston ian 2 : one skilled in or specializing in magic ian -an 4 of 4 adjective suffix variants or -ian also -ean 1 : of or belonging to Americ an 2 : characteristic of : resembling Hercul ean Etymology Noun suffix derived from Latin -anus, -ianus (adjective and noun suffixes) More from Merriam-Webster on an Nglish: Translation of an for Spanish Speakers Love words? Need even more definitions? 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