dioxygen

名词 n.

英文释义

名词 n.
  1. Diatomic oxygen: the normal allotrope of oxygen, having two atoms per molecule. uncountable
    — Meronym: oxygen (strict sense)
  2. Two atoms of oxygen in a molecule. in-compounds,uncountable

词源

Etymology tree
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwi-
Proto-Hellenic *dwi-
Ancient Greek δῐ- (dĭ-)bor.
Latin di-bor.
English di-
Proto-Indo-European *h₂eḱ-der.?
Ancient Greek ὀξύς (oxús)
Proto-Indo-European *ǵenh₁-
Proto-Indo-European *-os
Proto-Indo-European *ǵénh₁os
Proto-Hellenic *génos
Ancient Greek γένος (génos)
French oxygènebor.
English oxygen
English dioxygen
From di- + oxygen.
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