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liquid oxygen

noun

  1. 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

  1. 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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