柯林斯詞典indefinite article (indefinite articles) 1. N-COUNT The words "a" and "an" are sometimes called the indefinite article. 不定冠詞 返回 indefinite article劍橋詞典the grammatical name for the words "a" and "an" in English or words in other languages that have a similar use 不定冠詞 比較definite article 範(fàn)例 If you ask for 'a ham sandwich ', you're using the indefinite article 'a' before the noun .Don't forget that, before any word beginning with a vowel , the indefinite article would be 'an', for example 'an interesting book '. 返回 indefinite article