noun🔗ShareThe smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds."Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."chemistryphysicselementsubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareA tiny amount."The chef added only a few molecules of spice to the sauce because it was already quite flavorful. "chemistrysubstanceamountscienceChat with AIVocabulary GamePractice Reading