noun🔗Share이석A small particle, comprised mainly of calcium carbonate, found in the inner ear of vertebrates, being part of the balance sense."The doctor checked my balance by testing how my otolith reacted to changes in head position. "의사는 머리 위치 변화에 대한 이석의 반응을 테스트하여 균형 감각을 확인했습니다.anatomyphysiologyorganbiologymedicinebodyChat with AIVocabulary GamePractice Reading