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greenhouse

[green-hous] /ˈgrinˌhaʊs/
noun, plural greenhouses
[green-hou-ziz] /ˈgrinˌhaʊ zɪz/ (Show IPA)
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.
Origin
1655-1665
1655-65; green + house
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for green house

greenhouse

/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
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Word Origin and History for green house

greenhouse

n.

1660s, from green + house (n.). Greenhouse effect attested from 1937.

Online Etymology Dictionary, © 2010 Douglas Harper
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