greenhouse effect

noun

: warming of the surface and lower atmosphere of a planet (such as Earth or Venus) that is caused by conversion of solar radiation into heat in a process involving selective transmission of short wave solar radiation by the atmosphere, its absorption by the planet's surface, and reradiation as infrared which is absorbed and partly reradiated back to the surface by atmospheric gases

Examples of greenhouse effect in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The indoor atrium provides the ‘greenhouse effect’ and is home to a variety of plants. Judy Garrison, Southern Living, 16 Oct. 2024 The idea would be to augment the natural greenhouse effect on Mars to raise its surface temperature by roughly 50 degrees Fahrenheit (28 degrees Celsius) over a span of a decade. Reuters, NBC News, 9 Aug. 2024 Massive amounts of these particles, each roughly the size of commercially available glitter, could trap any existing heat while scattering sunlight across the Martian surface to boost the planet’s natural greenhouse effect. Andrew Paul, Popular Science, 8 Aug. 2024 Young described heat gain as a greenhouse effect that occurs when sunlight comes through a window, making your room much hotter. Laura Daniella Sepulveda, The Arizona Republic, 2 July 2024 See all Example Sentences for greenhouse effect 

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of greenhouse effect was in 1907

Dictionary Entries Near greenhouse effect

Cite this Entry

“Greenhouse effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/greenhouse%20effect. Accessed 14 Nov. 2024.

Kids Definition

greenhouse effect

noun
: the warming of the earth's atmosphere that occurs when the sun's radiation passes through the atmosphere, is absorbed by the earth, and is given off as radiation of longer wavelength which can be absorbed by atmospheric gases (as carbon dioxide and water vapor)

More from Merriam-Webster on greenhouse effect

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!