Greenhouse gas - Definitions from Dictionary.com

4 results for: Greenhouse gas

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

greenhouse gas

–noun

any of the gases whose absorption of solar radiation is responsible for the greenhouse effect, including carbon dioxide, methane, ozone, and the fluorocarbons.

[Origin: 1980–85

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Greenhouse gas

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American Heritage Dictionary - Cite This Source - Share This

greenhouse gas
n. Any of the atmospheric gases that contribute to the greenhouse effect.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
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WordNet - Cite This Source - Share This

greenhouse gas
noun
a gas that contributes to the greenhouse effect by absorbing infrared radiation

The American Heritage Science Dictionary - Cite This Source - Share This

greenhouse gas
Any of the atmospheric gases that contribute to the greenhouse effect by absorbing infrared radiation produced by solar warming of the Earth's surface. They include carbon dioxide (CO₂), methane (CH₄), nitrous oxide (NO₂), and water vapor. Although greenhouse gases occur naturally in the atmosphere, the elevated levels especially of carbon dioxide and methane that have been observed in recent decades are directly related, at least in part, to human activities such as the burning of fossil fuels and the deforestation of tropical forests.

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