outgas
verb
out·gas
ˈau̇t-ˌgas 
ˌau̇t-ˈgas
outgassed; outgassing; outgasses
1
: to remove occluded gases from usually by heating
broadly
: to remove gases from
2
: to remove (gases) from a material or a space
: to lose gases
Examples of outgas in a Sentence
Recent Examples on the Web
Natural carbon dioxide comes from outgassing from the ocean, decomposing plants, wildfires and volcanoes.
—
Elizabeth Weise, USA TODAY, 14 Apr. 2023
An outgassing comet should be enveloped by a distinctive feature called a coma, a bright-but-fuzzy halo of light-scattering dust carried away by the outgassing.
—Meghan Bartels, Scientific American, 22 Mar. 2023
Meanwhile the ice held on to the dust astronomers otherwise would have seen from the outgassing.
—Lee Billings, Scientific American, 5 Apr. 2023
Now, in a new study published Wednesday, the odd orbit of 'Oumuamua, can be explained by a simple physical mechanism that's likely common among many icy comets: outgassing of hydrogen as the comet warmed up in the sunlight.
—Doyle Rice, USA TODAY, 22 Mar. 2023
Many have been discussed, and many are plausible, including changes in CO2 outgassing from the ocean due to changes in sea ice, changes in iron input to the ocean that influence CO2 uptake by phytoplankton, and large-scale ocean circulation changes that cause release of CO2 to the atmosphere.
—IEEE Spectrum, 14 Mar. 2023
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
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Elizabeth Weise, USA TODAY, 14 Apr. 2023
An outgassing comet should be enveloped by a distinctive feature called a coma, a bright-but-fuzzy halo of light-scattering dust carried away by the outgassing.
—Meghan Bartels, Scientific American, 22 Mar. 2023
Meanwhile the ice held on to the dust astronomers otherwise would have seen from the outgassing.
—Lee Billings, Scientific American, 5 Apr. 2023
Now, in a new study published Wednesday, the odd orbit of 'Oumuamua, can be explained by a simple physical mechanism that's likely common among many icy comets: outgassing of hydrogen as the comet warmed up in the sunlight.
—Doyle Rice, USA TODAY, 22 Mar. 2023
Many have been discussed, and many are plausible, including changes in CO2 outgassing from the ocean due to changes in sea ice, changes in iron input to the ocean that influence CO2 uptake by phytoplankton, and large-scale ocean circulation changes that cause release of CO2 to the atmosphere.
—IEEE Spectrum, 14 Mar. 2023
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
Cite this Entry
“Outgas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outgas. Accessed 6 Jul. 2025.
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