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greenhouse gas

noun
1.
any of the gases whose absorption of solar radiation is responsible for the greenhouse effect, including carbon dioxide, methane, ozone, and the fluorocarbons.
Origin
1980-1985
1980-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for greenhouse gases
  • Buying used textbooks not only saves you money, but cuts down on greenhouse gases caused by the manufacturing of new textbooks.
  • Coal plants, meanwhile, produce almost twice the volume of greenhouse gases as natural-gas plants per unit of energy generated.
  • It's high time for greens to unite around the urgent need to reduce emissions of greenhouse gases.
  • The notion that greenhouse gases could trigger such a rapid change keeps serious scientists up at night.
  • Let's not even get started on the greenhouse gases used in the production and transportation of the materials.
  • Under environmental cap-and-trade laws, there's a limit to the greenhouse gases companies can emit.
  • By adding greenhouse gases to the atmosphere, we're increasing the likelihood of one of these abrupt events.
  • Rising concentrations of greenhouse gases would raise temperatures.
  • Still, offsetting greenhouse gases from jet travel remains purely voluntary.
  • These power plants are a big contributor of greenhouse gases, which cause global warming.
British Dictionary definitions for greenhouse gases

greenhouse gas

noun
1.
any gas that contributes to the greenhouse effect
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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greenhouse gases in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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