the greenhouse effect
Definition of the greenhouse effect
: the warming of the Earth's atmosphere that is caused by air pollution ◆The greenhouse effect occurs when warmth from the sun is trapped in the Earth's atmosphere by a layer of gases (such as carbon dioxide) and water vapor.
Word by Word Definitions
: a structure enclosed (as by glass) and used for the cultivation or protection of tender plants
: a clear plastic shell (as a canopy) covering a section of an airplane
: a compartment (as for a bombardier) enclosed by such a shell
: of, relating to, contributing to, or caused by the greenhouse effect
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