けいしゃ 珪砂 LinksSentence search for 珪砂Sentence search for けいしゃSentence search for 硅砂Sentence search for ケイ砂Sentence search for ケイしゃKanji details for 珪 and 砂Edit in JMdict Noun1. quartz sand; silica sandOther forms硅砂 【けいしゃ】、ケイ砂 【ケイしゃ】 Discussions Log in to talk about this word.