Definitions for greenhouse effect

This page provides all possible meanings and translations of the word greenhouse effect

Random House Webster's College Dictionary

green′house effect`(n.)

  1. heating of the atmosphere resulting from the absorption by certain gases of solar energy that has been captured and reradiated by the earth's surface.

    Category: Meteorology

Princeton's WordNet

  1. greenhouse effect, greenhouse warming(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

Wiktionary

  1. greenhouse effect(Noun)

    (with the) The process by which a planet is warmed by its atmosphere.

Freebase

  1. Greenhouse effect

    The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. Since part of this re-radiation is back towards the surface and the lower atmosphere, it results in an elevation of the average surface temperature above what it would be in the absence of the gases. Solar radiation at the frequencies of visible light largely passes through the atmosphere to warm the planetary surface, which then emits this energy at the lower frequencies of infrared thermal radiation. Infrared radiation is absorbed by greenhouse gases, which in turn re-radiate much of the energy to the surface and lower atmosphere. The mechanism is named after the effect of solar radiation passing through glass and warming a greenhouse, but the way it retains heat is fundamentally different as a greenhouse works by reducing airflow, isolating the warm air inside the structure so that heat is not lost by convection. If an ideal thermally conductive blackbody was the same distance from the Sun as the Earth is, it would have a temperature of about 5.3 °C. However, since the Earth reflects about 30% of the incoming sunlight, this idealized planet's effective temperature would be about −18 °C. The surface temperature of this hypothetical planet is 33 °C below Earth's actual surface temperature of approximately 14 °C. The mechanism that produces this difference between the actual surface temperature and the effective temperature is due to the atmosphere and is known as the greenhouse effect.

U.S. National Library of Medicine

  1. Greenhouse Effect

    The effect of GLOBAL WARMING and the resulting increase in world temperatures. The predicted health effects of such long-term climatic change include increased incidence of respiratory, water-borne, and vector-borne diseases.


Translations for greenhouse effect

Kernerman English Multilingual Dictionary

greenhouse effect(noun)

(singular) the gradual heating of the atmosphere caused by air pollution which traps energy from the sun.

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