ひるいし 蛭石 LinksSentence search for 蛭石Sentence search for ひるいしSentence search for ひる石Sentence search for ヒル石Kanji details for 蛭 and 石Edit in JMdict Noun1. vermiculiteOther formsひる石 【ひるいし】、ヒル石 【ひるいし】 Discussions Log in to talk about this word.