greenhouse

noun
green·​house | \ ˈgrēn-ˌhau̇s How to pronounce greenhouse (audio) \

Definition of greenhouse

 (Entry 1 of 2)

1 : a structure enclosed (as by glass) and used for the cultivation or protection of tender plants
2 : a clear plastic shell (such as a canopy) covering a section of an airplane also : a compartment (as for a bombardier) enclosed by such a shell

greenhouse

adjective

Definition of greenhouse (Entry 2 of 2)

: of, relating to, contributing to, or caused by the greenhouse effect greenhouse warming greenhouse gases

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Synonyms for greenhouse

Synonyms: Noun

conservatory, glasshouse [chiefly British], hothouse

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Examples of greenhouse in a Sentence

Noun

needed to move the plants into the greenhouse before the first frost killed them

Recent Examples on the Web: Noun

But the numbers show that greenhouse gas-producing natural gas is still on the table for many power producers, despite warnings that the energy sector needs to be quickly moving away from carbon-producing power sources. Elizabeth Weise, USA TODAY, "As Earth faces climate catastrophe, US set to open nearly 200 power plants," 9 Sep. 2019 But the fight over tailpipe emissions is likely to be the most consequential, as the state tries to meet its ambitious targets to cut greenhouse gases and other climate pollutants in the coming decades. Alexei Koseff, SFChronicle.com, "Trump administration threatens California over gas-mileage deal with carmakers," 6 Sep. 2019 Like adding more fuel to a fire, warm water (whether heated by regular summer temperatures or greenhouse gases) make hurricanes stronger. Sarah Gibbens, National Geographic, "How warm oceans supercharge deadly hurricanes," 4 Sep. 2019 Rising levels of greenhouse gases in the atmosphere are driving up sea-surface temperatures. The Economist, "How global warming makes hurricanes more severe," 2 Sep. 2019 An essential part of the planet’s ability to regulate greenhouse gases, the Amazon fires have burned at an alarming rate. Johnny Simon, Quartz, "These aerial photos show the destruction of the Amazon fires," 30 Aug. 2019 Scientists believe that the Amazon’s absorption of greenhouse gases plays a crucial role in slowing climate change. Carol Pires, The New Yorker, "The Trump Ally Who Is Allowing the Amazon to Burn," 28 Aug. 2019 Proponents of what is called mass timber construction see it as an innovative way to offset greenhouse gases that contribute to climate change. Josh Baugh, ExpressNews.com, "Wood makes a difference in new six-story office building in San Antonio," 26 Aug. 2019 The world counts on its largest rainforest to cleanse our atmosphere of greenhouse gases. USA Today, "6 charts show why thousands of fires in the Amazon rainforest matter to the world," 23 Aug. 2019

Recent Examples on the Web: Adjective

With coal, [an increase in demand] will mean more greenhouse gas emissions. Sarah Wu, BostonGlobe.com, "Researchers say demand for energy for cooling will rise as world gets warmer," 31 July 2019 According to Unilever, asking consumers to dilute the product at home means 97 percent less water being transported, 87 percent fewer trucks on the road, and less greenhouse gas emissions. Alden Wicker, Vox, "Could just-add-water products save us?," 30 July 2019 Producers therefore emit more greenhouse gas per barrel (see chart). The Economist, "The environmentThe environment is Canada’s biggest wedge issue," 25 July 2019 New York City recently mandated that the owners of its largest buildings slash their emissions impact, and new legislation requires New York State to eliminate nearly all greenhouse gas output by 2050. Anne Barnard, New York Times, "A ‘Climate Emergency’ Was Declared in New York City. Will That Change Anything?," 5 July 2019 Most research says growing vegetables uses less water and produces far less greenhouse gas than raising cattle. The Christian Science Monitor, "A global moment for the #MeToo movement," 19 June 2019 Most research says growing vegetables uses less water and produces far less greenhouse gas than raising cattle. The Christian Science Monitor, "A global moment for the #MeToo movement," 19 June 2019 For investments in this sector, the metric is greenhouse gas emissions and the taxonomy sets thresholds for emissions at the average of the 10% most greenhouse gas-efficient installations. Eshe Nelson, Quartz, "What counts as a “green” investment, anyway?," 25 June 2019 Most research says growing vegetables uses less water and produces far less greenhouse gas than raising cattle. The Christian Science Monitor, "A global moment for the #MeToo movement," 19 June 2019

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

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First Known Use of greenhouse

Noun

1664, in the meaning defined at sense 1

Adjective

1974, in the meaning defined above

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Statistics for greenhouse

Last Updated

13 Sep 2019

Look-up Popularity

Time Traveler for greenhouse

The first known use of greenhouse was in 1664

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More Definitions for greenhouse

greenhouse

noun

English Language Learners Definition of greenhouse

 (Entry 1 of 2)

: a building or part of a building that has glass walls and a glass roof and that is used for growing plants

greenhouse

adjective

English Language Learners Definition of greenhouse (Entry 2 of 2)

: relating to or caused by the warming of the Earth's atmosphere that is caused by air pollution : relating to or caused by the greenhouse effect

greenhouse

noun
green·​house | \ ˈgrēn-ˌhau̇s How to pronounce greenhouse (audio) \

Kids Definition of greenhouse

: a building with clear walls and roof (as of glass) for growing plants

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Comments on greenhouse

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