outgas
verb
out·gas ˈau̇t-ˌgas 
ˌau̇t-ˈgas
outgassed; outgassing; outgasses
transitive verb
1
: to remove occluded gases from usually by heating
broadly : to remove gases from
2
: to remove (gases) from a material or a space
intransitive verb
: to lose gases
Example Sentences
Recent Examples on the Web Loeb concluded that outgassing could not have caused 'Oumuamua's acceleration. 
Rob Reid, Ars Technica, 29 Nov. 2018 The only other possibility is that the vinyl from the car’s dashboard and interior parts is outgassing. Ray Magliozzi, The Seattle Times, 29 Aug. 2017
Rob Reid, Ars Technica, 29 Nov. 2018 The only other possibility is that the vinyl from the car’s dashboard and interior parts is outgassing. Ray Magliozzi, The Seattle Times, 29 Aug. 2017 Word History
First Known Use
1919, in the meaning defined at transitive sense 1