greenhouse

American  

[green-hous] / ˈgrinˌhaʊs /

noun

plural

greenhouses

1. a building, room, or area, usually chiefly of glass, in which the temperature is maintained within a desired range, used for cultivating tender plants or growing plants out of season.

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greenhouse British  

/ ˈɡriːnˌhaʊs /

noun

1. a building with transparent walls and roof, usually of glass, for the cultivation and exhibition of plants under controlled conditions

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Etymology

Origin of greenhouse

First recorded in 1655–65; green + house

Example Sentences

Fusion, the reaction that powers the sun, has long been considered the ultimate clean-energy prize: potentially limitless electricity without greenhouse gases or radioactive waste.

From The Wall Street Journal • Mar. 28, 2026

Coal -- a fuel that emits the highest levels of greenhouse gases -- has the largest share, followed by renewable energy, according to the IEA.

From Barron's • Mar. 27, 2026

It is different to mitigation - action that reduces or limits emissions of greenhouse gases.

From BBC • Mar. 19, 2026

Energy Information Administration shows that 83 percent of the U.S. economy still relies on fossil fuels like petroleum, coal and natural gas, all of which produce greenhouse gases when burned.

From Science Daily • Mar. 18, 2026

No fuzzy chicks, no bags of seeds for the greenhouse, no new knitting needles or garden trowels or other tools.

From "The Wrong Way Home" by Kate O’Shaughnessy

Related Words

• arboretum
• conservatory
• nursery