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liquid oxygen
noun
- a clear, pale blue liquid obtained by compressing oxygen and then cooling it below its boiling point: used chiefly as an oxidizer in liquid rocket propellants.
liquid oxygen
noun
- the clear pale blue liquid state of oxygen produced by liquefying air and allowing the nitrogen to evaporate: used in rocket fuels Also calledlox
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Word History and Origins
Origin of liquid oxygen1
First recorded in 1875–80
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