けいせき 珪石 LinksSentence search for 珪石Sentence search for けいせきSentence search for 硅石Sentence search for ケイ石Sentence search for ケイせきKanji details for 珪 and 石Edit in JMdict Noun1. silicaOther forms硅石 【けいせき】、ケイ石 【ケイせき】 Discussions Log in to talk about this word.