greenhouse Hear it!

greenhouse definition

green·house (grēn′ho̵us′)

noun

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

adjective

of or contributing to the greenhouse effect greenhouse gases

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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