石灰 せっかい Also written いしばい Meanings Noun, の-adjective lime; quicklime; caustic lime Kanji 石 stone. Read as セキ. 灰 ash. Read as カイ. Common phrases 石灰をまく Words containing 石灰 石灰岩 (せっかいがん) limestone 石灰石 (せっかいせき) limestone 石灰化 (せっかいか) calcification And 16 more. Jinuma: Japanese Dictionary · Word lists