greenhouse

American  

[green-hous] / ˈgrinˌhaʊs /

noun

greenhouses plural

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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Other Word Forms

Inflected Forms

noun

• greenhouses
  plural

Etymology

Origin of greenhouse

First recorded in 1655–65; green + house

Example Sentences

Over the past year, North Korea has completed major construction projects that had stalled for years, including Pyongyang’s largest hospital, a greenhouse complex bigger than New York’s Central Park and a new beach-resort compound.

From The Wall Street Journal • Jun. 8, 2026

Coal is the fuel that emits the highest levels of greenhouse gases, contributing to climate change.

From Barron's • Jun. 4, 2026

The updated cap-and-invest program determines how aggressively the state will curb planet-warming greenhouse gas emissions and how billions of dollars in revenue will flow.

From Los Angeles Times • May 30, 2026

Their garden now includes a greenhouse, a pond, hedges, raised beds and plenty of roses, with some of the design inspired by fellow gardener and author Alan Titchmarsh.

From BBC • May 28, 2026

Then I stopped, too, as the vegetation opened up to reveal a greenhouse.

From "City of the Plague God" by Sarwat Chadda

Related Words

• arboretum
• conservatory
• nursery