石せっ灰かい岩がんせっかいがんFreq.FrequencyTop 50,000Meanings1nounlimestoneA sedimentary rock composed mainly of calcium carbonate. Used in construction, cement production, and as a building material.この地ち域いきには石せっ灰かい岩がんの洞どう窟くつがたくさんある。There are many limestone caves in this area.石せっ灰かい岩がんはセメントの原げん料りょうとして使つかわれる