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[out-gas, out-gas] /ˈaʊtˌgæs, ˌaʊtˈgæs/ Chemistry
verb (used with object), outgassed, outgassing.
to remove (adsorbed or occluded gases), usually by heat or reduced pressure.
verb (used without object), outgassed, outgassing.
to lose gas.
Origin of outgas
1920-25; out- + gas Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for outgas
  • These processing procedures also eliminate outgas products.
  • Rubber-based recycled padding is common and can outgas.
  • Rubber-based recycled padding is commonly used and can outgas.
  • They all have low vapor pressures, form stable compounds with the absorbed gas, and do not outgas other gases.
British Dictionary definitions for outgas


verb -gases, -gasses, -gassing, -gassed
to undergo or cause to undergo the removal of adsorbed or absorbed gas from solids, often by heating in free space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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