noun🔗ShareOtolitheA 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. "Le médecin a vérifié mon équilibre en testant la réaction de mon otolithe aux changements de position de la tête.anatomyphysiologyorganbiologymedicinebodyChat with AIVocabulary GamePractice Reading