Greenhouse - (n.) A house in which tender plants are cultivated and sheltered from the weather.
Greenhouse - n. Light structure with the sides and roof mainly of glass, for rearing plants.
Greenhouse effect - n. Trapping of the sun's warmth in the lower atmosphere of the earth, caused by an increase in carbon dioxide, methane, etc.
Greenhouse gas - n. Any of the gases, esp. Carbon dioxide and methane, that contribute to the greenhouse effect.
Since 2019-02-19 17:16:14