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greenhouse

1 greenhouse /ˈgriːnˌhaʊs/ noun
plural greenhouses
1 greenhouse
/ˈgriːnˌhaʊs/
noun
plural greenhouses
Britannica Dictionary definition of GREENHOUSE
[count]
: a building or part of a building that has glass walls and a glass roof and that is used for growing plants
2 greenhouse /ˈgriːnˌhaʊs/ adjective
2 greenhouse
/ˈgriːnˌhaʊs/
adjective
Britannica Dictionary definition of GREENHOUSE
always used before a noun
: relating to or caused by the warming of the Earth's atmosphere that is caused by air pollution : relating to or caused by the greenhouse effect