gas

gas
gas [gas]
n.
pl. gases or gasses [gas′iz] [ModL, altered by Van Helmont (1577-1644), Belgian chemist (with g- pronounced, as in Du, as a voiced fricative) < Gr chaos, air (see CHAOS), term used by Paracelsus]
1. the fluid form of a substance in which it can expand indefinitely and completely fill its container; form that is neither liquid nor solid; vapor
2. any mixture of flammable gases used for lighting, heating, or cooking
3. any gas, as nitrous oxide, used as an anesthetic
4. any substance, as phosgene, intentionally dispersed through the atmosphere, as in war, to act as a poison, irritant, or asphyxiant
5. various gaseous substances formed by living or decaying matter, esp. if formed in the stomach, bowels, etc. [Informal]
6. short for GASOLINE
☆ 7. Slang
a) idle or boastful talk
b) something or someone that is very pleasing, exciting, amusing, etc. [the movie was a gas]
8. Mining a mixture of firedamp with air, that explodes if ignited
vt.
gassed, gassing
1. to supply with gas
2. to subject to the action of gas
3. to injure or kill by gas, as in war
☆ 4. Slang to thrill, delight, amuse greatly, etc.
vi.
1. to give off gas
☆ 2. Slang to talk in an idle or boastful way
adj.
of, using, or operated by gas
——————
☆ gas up
Informal to put gasoline into the tank of (a vehicle)
——————
☆ step on the gas
1. Slang to press on the accelerator of an automobile
2. to hurry; move or act faster

English World dictionary. . 2014.

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Synonyms:
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Look at other dictionaries:

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  • Gas — (g[a^]s), n.; pl. {Gases} (g[a^]s [e^]z). [Invented by the chemist Van Helmont of Brussels, who died in 1644.] 1. An a[ e]riform fluid; a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be… …   The Collaborative International Dictionary of English

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  • gas — [gæs] noun gases PLURALFORM or gasses [countable, uncountable] a substance which is not solid or liquid at normal temperatures, and which usually cannot be seen: • Greenhouse gases are the direct result of pollution …   Financial and business terms

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  • Gas — (g[a^]s), v. t. [imp. & p. p. {Gassed} (g[a^]st); p. pr. & vb. n. {Gassing}.] 1. (Textiles) To singe, as in a gas flame, so as to remove loose fibers; as, to gas thread. [Webster 1913 Suppl.] 2. To impregnate with gas; as, to gas lime with… …   The Collaborative International Dictionary of English

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