out·​gas | \ ˈau̇t-ˌgas How to pronounce outgas (audio) , ˌau̇t-ˈgas \
outgassed; outgassing; outgasses

Definition of outgas

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

Examples of outgas in a Sentence

Recent Examples on the Web Loeb concluded that outgassing could not have caused 'Oumuamua's acceleration. Rob Reid, Ars Technica, "Nailing down the nature of ‘Oumuamua—it’s probably a comet, but…," 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, "Cloudy windshield could mean bad heater core," 29 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outgas.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of outgas

1919, in the meaning defined at transitive sense 1

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Cite this Entry

“Outgas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outgas. Accessed 26 Feb. 2021.

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