English Dictionary

molecule

/ˈmɒl.ə.kjuːl/

noun

(chemistry) The 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. / A tiny amount.

Water is a molecule composed of two hydrogen atoms and one oxygen atom.

意味（1）

(chemistry) The 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.

意味（2）

A tiny amount.