oxygen

== English == === Etymology === 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 === enPR: ŏk'sĭjən (Received Pronunciation) IPA(key): /ˈɒksɪd͡ʒən/ (Standard Southern British, Scotland, General Australian) IPA(key): /ˈɔksɪd͡ʒən/ (General American) IPA(key): /ˈɑksɪd͡ʒən/, /ˈɑksəd͡ʒən/ (Canada) IPA(key): /ˈɒksɪd͡ʒən/ (New Zealand) IPA(key): /ˈɒksəd͡ʒən/, [ˈɔ̟ksəd͡ʒən] === Noun === oxygen (countable and uncountable, plural oxygens) 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. Synonyms: (rare) sourstuff, (when used as a packaging gas) E948 Hypernyms: chalcogen < element Holonyms: dioxygen, O₂, oxygen (loose sense) (loose but very common, even in formal use) Molecular oxygen (O2), a colorless, odorless gas at room temperature. Synonyms: dioxygen, O₂ Meronym: oxygen (strict sense) (medicine) A mixture of oxygen and other gases, administered to a patient to help them breathe. (countable) An atom of this element. (figurative) A condition or environment in which something can thrive. ==== Derived terms ==== ==== Related terms ==== ==== Descendants ==== → Burmese: အောက်ဆီဂျင် (aukhcigyang) → Hawaiian: ʻokikene ==== Translations ==== === See also === ozone === References === Oxygen on the British Royal Society of Chemistry's online periodic table == Danish == === Etymology === From Ancient Greek ὀξύς (oxús) +‎ -gen. === Noun === oxygen n (singular definite oxygenet or oxygenen, not used in plural form) oxygen Synonym: ilt ==== Declension ==== === References === “oxygen” in Den Danske Ordbog == German == === Pronunciation === === Adjective === oxygen (strong nominative masculine singular oxygener, not comparable) (chemistry) oxygenic Antonym: anoxygen oxygene Photosynthese ― oxygenic photosynthesis ==== Declension ==== ==== Related terms ==== Oxygen == Swedish == === Etymology === Borrowed from French oxygène. === Noun === oxygen n (rare) oxygen Synonyms: syre, syrgas ==== 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”).