greenhouse effect


greenhouse effect
greenhouse effect
This important but often misunderstood term is defined by the Concise Oxford Dictionary (2006) as ‘the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface’. Despite the broadening of this definition since earlier editions, the almost exclusive focus of attention of this term is the Earth. A greenhouse gas is a gas, primarily carbon dioxide, that contributes to the greenhouse effect. See also global warming, under global.

Modern English usage. 2014.

Look at other dictionaries:

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  • greenhouse effect — ► NOUN ▪ the trapping of the sun s warmth in a planet s lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet s surface …   English terms dictionary

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  • Greenhouse effect — The Greenhouse effect refers to the change in the thermal equilibrium temperature of a planet or moon by the presence of an atmosphere containing gas that absorbs infrared radiation. [ [http://www.ipcc.ch/pdf/assessment report/ar4/syr/ar4 syr… …   Wikipedia

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  • greenhouse effect — noun warming that results when solar radiation is trapped by the atmosphere; caused by atmospheric gases that allow sunshine to pass through but absorb heat that is radiated back from the warmed surface of the earth • Syn: ↑greenhouse warming •… …   Useful english dictionary

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  • Greenhouse Effect —    When a gas, like carbon dioxide, blankets a planet and lets infrared radiation enter but not completely leave the atmosphere. This causes the atmosphere to heat up, like the inside of a greenhouse. A Runaway Greenhouse Effect can develop if… …   The writer's dictionary of science fiction, fantasy, horror and mythology


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