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Synonyms

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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of greenhouse

First recorded in 1655–65; green + house

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Germany has a legally binding goal of achieving greenhouse gas neutrality by 2045.

From Barron's Aug. 28, 2026

It has rather led to soaring commuter congestion, and “250,000 tons of additional greenhouse gases each year” as cars sit in traffic.

From The Wall Street Journal Aug. 26, 2026

Under UK law, greenhouse gas emissions indirectly generated by a business -- known as Scope 3 or downstream emissions -- must be taken into account.

From Barron's Aug. 20, 2026

Shephard said the site was "used for greenhousing" and had sat for "45 years doing nothing" due to buried greenhouse materials beneath the field.

From BBC Aug. 18, 2026

Dad spent hours in the greenhouse trying to save the plants my mother no longer loved.

From "The Science of Breakable Things" by Tae Keller

Tents - particularly polyester tents - act like mini greenhouses trapping heat inside them, from your body and the sun.

From BBC May 22, 2026

The Park Service gathered seeds from the landscape, grew them in greenhouses and planted them in the preserve in 2020 and 2021 when they were 2 to 3 years old, Polyakov said.

From Los Angeles Times May 19, 2026

My late father-in-law loved orchids, and in his decadeslong passion he built and maintained two large greenhouses.

From The Wall Street Journal May 13, 2026

Lower-cost heating and cooling could also make the area more attractive to businesses that rely heavily on temperature control, such as greenhouses and food processing facilities.

From Science Daily May 6, 2026

The greenhouses were a home to her, in a way.

From "The City of Ember" by Jeanne DuPrau

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