gas


<. Slang sense of "empty talk" is from 1847; slang meaning "something exciting or excellent" first attested 1953, from earlier hepster slang gasser in the same sense (1944). Gas also meant “fun, a joke” in Anglo-Irish and was used so by Joyce (1914). As short for gasoline, it is American English, first recorded 1905.

v.

1886, “to supply with gas,” from gas (n.). Sense of “poison with gas” is from 1889 as an accidental thing, from 1915 as a military attack. Related: Gassed; gassing.

n. pl. gas•es

  1. 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.
  2. A substance in the gaseous state.
  3. A gaseous fuel, such as natural gas.
  4. Gasoline.
  5. A gaseous asphyxiant, an irritant, or a poison.
  6. A gaseous anesthetic, such as nitrous oxide.
  7. Flatulence.
  8. Flatus.

v.

  1. To treat chemically with gas.
  2. To overcome, disable, or kill with poisonous fumes.
  3. To give off gas.

  1. The symbol for the elementgallium

  1. One of four main states of matter, composed of molecules in constant random motion. Unlike a solid, a gas has no fixed shape and will take on the shape of the space available. Unlike a liquid, the intermolecular forces are very small; it has no fixed volume and will expand to fill the space available.

  1. The symbol for gallium.

In physics, one of the phases of matter. The atoms or molecules in gases are more widely spaced than in solids or liquids and suffer only occasional collisions with one another.

In addition to the idiom beginning with gas

  • gas up

also see:

  • cook with gas
  • run out of steam (gas)

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