molecule
nounfemininetécnico/mu.ˈlɛ.ku.lɐ/medium
mo·lé·cu·la
Definition
The smallest particle of a chemical substance that retains its chemical properties, composed of two or more atoms bonded together.
A water molecule is formed by two hydrogen atoms and one oxygen atom.
Scientists analyzed the structure of the molecule.
Etymology
Do latim científico 'molecula', diminutivo de 'moles' (massa).