dioxygen
noun/daɪˈɒksɪdʒən/
Etymology From di- + oxygen.
1
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences Diatomic oxygen: the normal allotrope of oxygen, having two atoms per molecule.
- Meronym: oxygen (strict sense)
2
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences In compounds Two atoms of oxygen in a molecule.
- Derived terms
- dioxygenase, dioxygen difluoride, dioxygen hexafluoroplatinate