清音 せいおん Meanings Noun syllable with an unvoiced consonant (except "p"; in Japanese); syllable written without a dakuten or handakuten (e.g. か, さ, た, は) See also: 濁音 (だくおん). See also: 半濁音 (はんだくおん). clear sound Kanji 清 clean. Read as セイ. 音 sound. Read as オン. Word lists Linguistics Jinuma: Japanese Dictionary · Word lists