oxygen

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See also: Oxygen

English

Chemical element
O
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Next: fluorine (F)

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)
    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.

    Pronunciation

    Noun

    English Wikipedia has an article on:
    Wikipedia

    oxygen (countable and uncountable, plural oxygens)

    2. 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.
      Hypernym: chalcogen
    3. Molecular oxygen (O2), a colorless, odorless gas at room temperature, also called dioxygen.
      • 2013 September-October, Katie L. Burke, “In the News”, in American Scientist:
        Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy. The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light.
    4. (medicine) A mixture of oxygen and other gases, administered to a patient to help them breathe.
    5. (countable) An atom of this element.
      • 2013, Spencer L. Seager, Michael R. Slabaugh, Chemistry for Today: General, Organic, and Biochemistry, page 479:
        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.
    6. (figurative) 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.

    Synonyms

    Derived terms

    Descendants

    Translations

    See also

    References

    Danish

    Noun

    oxygen n (singular definite oxygenet, not used in plural form)

    1. oxygen
      Synonym: ilt

    German

    Pronunciation

    Adjective

    oxygen (strong nominative masculine singular oxygener, not comparable)

    1. (chemistry) oxygenic
      Antonym: anoxygen
      oxygene Photosynthese ― oxygenic photosynthesis

    Declension

    Positive forms of oxygen (uncomparable)
    number & gender singular plural
    masculine feminine neuter
    predicative er ist oxygen sie ist oxygen es ist oxygen sie sind oxygen
    strong declension
    (without article)     		nominative oxygener oxygene oxygenes oxygene
    genitive oxygenen oxygener oxygenen oxygener
    dative oxygenem oxygener oxygenem oxygenen
    accusative oxygenen oxygene oxygenes oxygene
    weak declension
    (with definite article)     		nominative der oxygene die oxygene das oxygene die oxygenen
    genitive des oxygenen der oxygenen des oxygenen der oxygenen
    dative dem oxygenen der oxygenen dem oxygenen den oxygenen
    accusative den oxygenen die oxygene das oxygene die oxygenen
    mixed declension
    (with indefinite article)     		nominative ein oxygener eine oxygene ein oxygenes (keine) oxygenen
    genitive eines oxygenen einer oxygenen eines oxygenen (keiner) oxygenen
    dative einem oxygenen einer oxygenen einem oxygenen (keinen) oxygenen
    accusative einen oxygenen eine oxygene ein oxygenes (keine) oxygenen

    Swedish

    Etymology

    Borrowed from French oxygène.

    Noun

    oxygen n

    1. (rare) oxygen
      Synonyms: syre, syrgas
      • 2022 December 7, Inga Korsbäck, “Ökade lager av syrgas på sjukhusen i Västmanland – insåg behovet under pandemin [Increased stocks of oxygen at the hospitals in Västmanland - realized the need during the pandemic.]”, in Sveriges Radio P4:
        När pandemin tog fart våren 2020 var Region Västmanlands beredskap god när det gäller medicinska gaser som syrgas (oxygen). Redan i april 2020 fanns en extra tank flytande oxygen på plats på sjukhusområdet i Västerås och man klarar i dag Socialstyrelsens skärpta krav.
        When the pandemic gained momentum in the spring of 2020, Region Västmanland's preparedness was good concerning medical gases like oxygen. Already in April 2020, there was an additional tank of liquid oxygen in place at the hospital area in Västerås, and today they meet the stricter requirements set by the National Board of Health and Welfare.

    Usage notes

    • The term oxygen is rarely used; it primarily appears on gas tubes and canisters for international standardization, as well as a safety precaution to minimize the risk of confusing syre (“oxygen”) with syra (“acid”).
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