molecule
Pronunciation
  • (RP) IPA: /ˈmɒləkjuːl/
  • (GA) IPA: /ˈmɑləkjul/
Noun

molecule (plural molecules)

  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.
  2. A tiny amount.
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