Vocabulary What does 一石 (いっせき, isseki) mean? 一石 (いっせき, isseki) means one game (of go). Quick factsReadingいっせきRomajiissekiPart of speechnoun 一石いっせきissekione game (of go)1noun one game (of go)Kanji in this word一one; the number 1石stone
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