diatomic

/ˌdaɪəˈtɑmɪk/
adjective
  1. Consisting of two atoms, especially of the same element.
    • The diatomic structure of hydrogen makes it highly reactive.
    • Oxygen is a diatomic molecule, meaning it naturally exists as O₂.
    • In chemistry class, we learned that nitrogen gas is diatomic.
Antonyms
What does "diatomic" mean? | whatsthatwordmean | whatsthatwordmean