n. a light structure with the sides and roof mainly of glass, for rearing delicate plants or hastening the growth of plants.
Phrases and idioms:
greenhouse effect the trapping of the sun's warmth in the lower atmosphere of the earth caused by an increase in carbon dioxide, which is more transparent to solar radiation than to the reflected radiation from the earth. greenhouse gas any of various gases, esp. carbon dioxide, that contribute to the greenhouse effect.

Useful english dictionary. 2012.

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  • greenhouse — [grēn′hous΄] n. a building made mainly of glass, in which the temperature and humidity can be regulated for the cultivation of delicate or out of season plants adj. of or contributing to the greenhouse effect [greenhouse gases] …   English World dictionary

  • greenhouse — 1660s, from GREEN (Cf. green) + HOUSE (Cf. house). Greenhouse effect attested from 1937 …   Etymology dictionary

  • Greenhouse — Green house , n. A house in which tender plants are cultivated and sheltered from the weather. [1913 Webster] …   The Collaborative International Dictionary of English

  • greenhouse — ► NOUN ▪ a glass building in which plants that need protection from cold weather are grown …   English terms dictionary

  • Greenhouse — [ thumb|250px|A greenhouse in Saint Paul, Minnesota.] A greenhouse (also called a glasshouse or hothouse) is a building where plants are cultivated. A greenhouse is a structure with a glass or plastic roof and frequently glass or plastic walls;… …   Wikipedia

  • greenhouse — /green hows /, n., pl. greenhouses / how ziz/. 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. [1655 65; GREEN …   Universalium

  • greenhouse — [[t]gri͟ːnhaʊs[/t]] greenhouses 1) N COUNT A greenhouse is a glass building in which you grow plants that need to be protected from bad weather. 2) ADJ: ADJ n Greenhouse means relating to or causing the greenhouse effect. ...the consequences of… …   English dictionary

  • greenhouse — I. noun Date: 1664 1. a structure enclosed (as by glass) and used for the cultivation or protection of tender plants 2. a clear plastic shell (as a canopy) covering a section of an airplane; also a compartment (as for a bombardier) enclosed by… …   New Collegiate Dictionary

  • greenhouse — UK [ˈɡriːnˌhaʊs] / US [ˈɡrɪnˌhaʊs] noun [countable] Word forms greenhouse : singular greenhouse plural greenhouses a building made of glass that is used for growing plants that need protection from the weather …   English dictionary

  • greenhouse — /ˈgrinhaʊs / (say greenhows) noun 1. a building, chiefly of glass, for the cultivation or protection of plants. –adjective 2. of or relating to the greenhouse effect: greenhouse issues …  

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