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verb (used with object), out·gassed, out·gas·sing.
- to remove (adsorbed or occluded gases), usually by heat or reduced pressure.
verb (used without object), out·gassed, out·gas·sing.
- to lose gas.
verb -gases, -gasses, -gassing or -gassed
- to undergo or cause to undergo the removal of adsorbed or absorbed gas from solids, often by heating in free space