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

Iceland, for example, has vowed to cut its greenhouse gas emissions by 40 percent by 2030. Andrew Daniels, Popular Mechanics, "Iceland’s Radical Plan to Slow Climate Change," 9 May 2019 That greenhouse gas-free solar power is exported to India’s regional grid system and replaces more than 200 million pounds of CO2 per year. Andrew Daniels, Popular Mechanics, "Book a Flight and This App Will Offset Your CO2 Emissions for Free," 1 May 2019 The county’s plan estimates a waste-to-energy facility would have a higher greenhouse gas impact than expanding Cedar Hills, but a previous EPA study deemed waste-to-energy plants more environmentally friendly over the life-cycle of the facility. David Gutman, The Seattle Times, "King County’s landfill has been almost full for two decades. What happens next?," 26 Mar. 2019 Advertising The draft Supplemental Environmental Impact Statement for the LNG plant, released in October, also concluded that the project would lower greenhouse gas emissions if the fuel was sourced only from British Columbia. Debbie Cockrell, The Seattle Times, "Liquefied natural gas project in Tacoma ‘will not cause significant adverse impact’ from greenhouse-gas emissions, new report says," 30 Mar. 2019 The industry has agreed to cut by half all greenhouse emissions by 2050, a far costlier exercise that will involve new hull designs and hybrid propulsion systems. Costas Paris, WSJ, "Shipping Comes to Terms With $50 Billion Clean-Fuel Bill," 4 Apr. 2019 According to the Sustainable Apparel Coalition, the fashion industry generates 1.2 billion tons of greenhouse emissions every year, more than the amount created by international flights and maritime shipping combined. Erin Quinn-kong, Woman's Day, "Are Your Fast-Fashion Clothes Killing Farmers?," 14 Feb. 2019 The analysis uses the Kaya identity, an equation that is used to calculate how much greenhouse gas emissions an economy will produce. David Roberts, Vox, "The case for “conditional optimism” on climate change," 29 Jan. 2019 Terrain's greenhouse cafe serves brunch, lunch, and dinner, with menus that change seasonally. Brittney Morgan, House Beautiful, "Terrain's Westport Store Is Basically Plant Heaven," 18 Mar. 2019

Recent Examples on the Web: Adjective

This fuel emits less greenhouse gas than coal when burned but is still a major contributor overall. Chris Mooney, The Seattle Times, "U.S. greenhouse gas emissions spiked in 2018 – and it couldn’t happen at a worse time," 9 Jan. 2019 After all, leakage is a lose-lose: companies lose revenue and the atmosphere sees more greenhouse gas that didn’t even do anything for us along the way. Scott K. Johnson, Ars Technica, "How leaky is natural gas production? One puzzle solved," 2 Nov. 2018 In the case of Harvey, as with other specific events, scientists now have the capability to perform attribution studies which make more quantitative statements about how greenhouse gas emissions influenced that event. Suzana Camargo, Fortune, "Global Warming Didn’t Cause Hurricane Harvey. Here’s What Did.," 29 Aug. 2017 The worse mileage a vehicle gets the more greenhouse gas emissions flow into our atmosphere. Gary Richards, The Mercury News, "Mr. Roadshow: Why is she bragging about her polluting old car?," 6 Mar. 2017 Several independent analyses, including authoritative studies from the Department of Energy’s Argonne National Laboratory in Illinois, suggest that ethanol releases significantly less greenhouse gas emissions than gasoline. David Gelles, New York Times, "The Standoff Between Big Oil and Big Corn," 17 Sep. 2016 The school was able to cheaply heat its greenhouse year-round with cord wood cut by students. Bloomberg.com, "New Alaska Handbook Provides How-to on Heated Greenhouses," 12 May 2017

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

24 May 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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