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oxygen

noun
/ˈɒk.sɪ.d͡ʒən/UK/ˈɑk.sɪ.d͡ʒən/US/ˈɒk.sɪ.d͡ʒən/CA/ˈɔk.sɪ.d͡ʒən/

Etymology

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.

  1. derived from ὀξύς — “sharp”
  2. borrowed from oxygène

Definitions

  1. The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of…

    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.

    • Holonyms: dioxygen, O₂, oxygen (loose sense)
    • By molar fraction, calcium oxide contains equal parts calcium and oxygen.

  2. Molecular oxygen (O₂), a colorless, odorless gas at room temperature.

    • Meronym: oxygen (strict sense)
    • About 21% of the air you breathe is oxygen.

  3. A mixture of oxygen and other gases, administered to a patient to help them breathe.

  4. ›+ 2 more definitions

    1. An atom of this element.

      • 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.

    2. A condition or environment in which something can thrive.

      • Silence is the oxygen of shame.
      • They hoped to starve the terrorists of the oxygen of publicity.

The neighborhood

Derived

alkargen, anoxic, antioxygen, atmospheric oxygen, biochemical oxygen demand, biological oxygen demand, carbogen, carbon-nitrogen-oxygen cycle, chemical oxygen generator, dioxin, dioxindol, dioxygen, gox, heliox, hyperbaric oxygen chamber, hypoxia, linoxin, liquid oxygen, lox, loxygen, molecular oxygen, nitrox, nonoxygen, nox, octaoxygen, organooxygen, oxamidine, oxo-, oxy-, oxygen-16, oxygen-17, oxygen-18, oxygen bar, oxygen bottle, oxygen burning, oxygen candle, oxygen canister, oxygen catastrophe, oxygen crisis, oxygen cylinder · +45 more

Vish — recursive loop

No curated loop yet for oxygen. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA