noun🔗ShareCalciumThe chemical element (Symbol Ca), with an atomic number 20. It is a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks."My doctor recommended I take a calcium supplement to strengthen my bones. "Mon médecin m'a recommandé de prendre un supplément de calcium pour renforcer mes os.elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareUn atome de cet élémentAn atom of this element."The scientist studied the calcium atom's structure in the lab. "Le scientifique a étudié la structure de l'atome de calcium en laboratoire.elementchemistrymineralsubstanceChat with AIVocabulary GamePractice Reading
