oxygen

名词 n.
/ˈɒksɪd͡ʒən/|/ˈɔksɪd͡ʒən/    /ˈɔksɪd͡ʒən/|/ˈɑksɪd͡ʒən/|/ˈɑksəd͡ʒən/

英文释义

名词 n.
  1. The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish it from molecular oxygen. countable,uncountable
    — Holonyms: dioxygen, O₂, oxygen (loose sense)
  2. Molecular oxygen (O₂), a colorless, odorless gas at room temperature. countable,uncountable
    — Meronym: oxygen (strict sense)
  3. A mixture of oxygen and other gases, administered to a patient to help them breathe. countable,uncountable
  4. An atom of this element. countable
    — Look first at any structure to see if there is a carbon with two oxygens attached. Hemiacetals, hemiketals, acetals, and ketals are all alike in that regard.
  5. A condition or environment in which something can thrive. countable,figuratively,uncountable
    — Silence is the oxygen of shame.

词形变化

oxygens plural

词源

Etymology tree
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
Borrowed from French oxygène (originally in the form principe oxygène, a variant of principe oxigine ‘acidifying principle’, suggested by Lavoisier), from Ancient Greek ὀξύς (oxús, “sharp”) + γένος (génos, “birth”), referring to oxygen's supposed role in the formation of acids. By surface analysis, oxy- + -gen.
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