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blue gas

noun, Chemistry
Origin of blue gas
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for blue gas
  • Ozone is a form of oxygen: a highly poisonous, pale blue gas with a strong odor.
  • Most noteworthy comets display a dim blue gas tail in addition to a whiter, brighter dust tail.
  • Ozone is a pale blue gas having a distinct pungent odor.

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