1. vowelLinguistics, See also 子音
Wikipedia definition
2. VowelIn phonetics, a vowel is a sound in spoken language, such as English ah! [ɑː ɑː] or oh! [oʊ oʊ], pronounced with an open vocal tract so that there is no build-up of air pressure at any point above the glottis. This contrasts with consonants, such as English sh! [ʃː ʃː], where there is a constriction or closure at some point along the vocal tract. A vowel is also understood to be syllabic: an equivalent open but non-syllabic sound is called a semivowel.
Read “Vowel” on English Wikipedia
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Read “Vowel” on DBpedia
Other forms
母音 【ぼおん】


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