greenhouse gas
noun
: any of various gaseous compounds (such as carbon dioxide or methane) that absorb infrared radiation, trap heat in the atmosphere, and contribute to the greenhouse effect
Water vapor is an important gas for the study of climate and weather because of its role as a natural greenhouse gas as well as its relationship to clouds and precipitation.—
Mohi Kumar
Mohi KumarScientists now recognize tropospheric ozone—a component of smog—as a greenhouse gas as well as an eye and lung irritant.—Science News
Science NewsWhile it may not be possible to eliminate all greenhouse gas emissions, it is possible to offset some of the emissions that do still occur. Offsetting involves supporting projects that reduce or sequester greenhouse gas emissions in another location.—Tyson Miller
Tyson MillerLivestock emit 14.5 percent of all greenhouse gas emissions each year. Most of that is from cows.—Marley Walker
Marley WalkerExamples of greenhouse gas in a Sentence
Recent Examples on the Web
Total greenhouse gas emissions peaked nationally and in California in 2007.
—Wayne Winegarden, Oc Register, 1 Feb. 2026
Rising sea levels and an increase in ocean temperatures, caused by greenhouse gas emissions, fuel more powerful storms.
—Maleena Muzio, Hartford Courant, 31 Jan. 2026
In China, Turkey and Pakistan, electric carbon intensity is lower than the EECI in both Tiers 1 and 2, signaling that the countries’ factories are decreasing their greenhouse gas emission intensity by electrifying their energy use.
—Jasmin Malik Chua, Sourcing Journal, 30 Jan. 2026
Coal and other fossil fuels release greenhouse gases that trap heat close to the Earth and cause global warming.
—Noelle Phillips, Denver Post, 29 Jan. 2026
See All Example Sentences for greenhouse gas
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Wayne Winegarden, Oc Register, 1 Feb. 2026
Rising sea levels and an increase in ocean temperatures, caused by greenhouse gas emissions, fuel more powerful storms.
—Maleena Muzio, Hartford Courant, 31 Jan. 2026
In China, Turkey and Pakistan, electric carbon intensity is lower than the EECI in both Tiers 1 and 2, signaling that the countries’ factories are decreasing their greenhouse gas emission intensity by electrifying their energy use.
—Jasmin Malik Chua, Sourcing Journal, 30 Jan. 2026
Coal and other fossil fuels release greenhouse gases that trap heat close to the Earth and cause global warming.
—Noelle Phillips, Denver Post, 29 Jan. 2026
See All Example Sentences for greenhouse gas
Cite this Entry
“Greenhouse gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/greenhouse%20gas. Accessed 5 Feb. 2026.
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