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   gas

   /ɡas/

   noun

   • 1. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid): "hot balls of gas that become stars"
   • ▪ a gaseous substance that cannot be liquefied by the application of pressure alone.
   • ▪ a flammable gas used as a fuel: "cooking is done by bottled gas"
   • ▪ a gaseous anaesthetic such as nitrous oxide, used in dentistry.
   • ▪ gas or vapour used as a poisonous agent in warfare: "gas was one of the most dreaded weapons of the war"
   • ▪ gas generated in the alimentary canal; flatulence.
   • ▪ an explosive mixture of firedamp with air.
   • 2. short for gasoline North American
   • ▪ used in reference to power or the accelerator of a car: "I ordered my friend to step on the gas"
   • 3. an entertaining or amusing person or situation: informal "the party would be a gas"
   • ▪ enjoyment, amusement, or fun: Irish "it was great gas in the club last night"

   verb

   • 1. kill or harm by exposure to gas: "my son was gassed at Verdun"
   • ▪ (of a storage battery or dry cell) give off gas: "the maintenance-free charger controls the input without inducing gassing"
   • 2. talk excessively about trivial matters: informal "I thought you'd never stop gassing"
   • 3. fill the tank of (a motor vehicle) with petrol: informal North American "after gassing up the car, he went into the restaurant"

   adjective

   • 1. very amusing or entertaining: informal Irish "Ruthie, that's gas—you're a gem"

   Word Origin mid 17th century: invented by J. B. van Helmont (1577–1644), Belgian chemist, to denote an occult principle which he believed to exist in all matter; suggested by Greek khaos ‘chaos’, with Dutch g representing Greek kh.

   Scrabble Points: 4

   • G

     2

   • A

     1

   • S

     1

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