Longman Dictionary of Contemporary English homepage

Topic: ELEMENTS

Date: 1700-1800
Language: French
Origin: oxygène, from Greek oxys 'sharp, acid' + French -gène 'forming'; because it was believed that oxygen forms part of all acids

oxygen

 noun
     
ox‧y‧gen [uncountable]
HCE a gas that has no colour or smell, is present in air, and is necessary for most animals and plants to live. It is a chemical element: symbol O
Definition of oxygen from the Longman Dictionary of Contemporary English within
the topic ELEMENTS
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The ELEMENTS
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