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Definition of "gas" []

  • The state of matter distinguished from the solid and liquid states by relatively low density and viscosity, relatively great expansion and contraction with changes in pressure and temperature, the ability to diffuse readily, and the spontaneous tendency to become distributed uniformly throughout any container. (noun)
  • A substance in the gaseous state. (noun)
  • A gaseous fuel, such as natural gas. (noun)
  • Gasoline. (noun)
  • The speed control of a gasoline engine. Used with the: Step on the gas. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "gas" in a sentence
  • "Though my decision-making was not driven by gas consumption it was driven by my time, which is way more valuable to me than a gallon of gas** one could argue that I have already made a huge gas-use-reduction investment in terms of the location of my home, and thus a further investment in gas-use-reduction via my car is not necessary."
  • "-- A gas stove for cooking, or _gas range_, as it is frequently called, consists of an oven, a broiler, and several burners over which are plates to hold pans, pots, and kettles in which food is to be cooked."
  • "The gas is called _carbonic acid gas_; the liquid is _alcohol_."