gas

gas
gas1 W2S1 [gæs] n plural gases or gasses
[Sense: 1-3, 6-9; Date: 1600-1700; : Modern Latin; Origin: Greek khaos 'empty space'; CHAOS]
[Sense: 4-5; Date: 1900-2000; Origin: gasoline]
1.) [U and C]
a substance such as air, which is not solid or liquid, and usually cannot be seen
▪ hydrogen gas
toxic/poisonous/noxious gases
▪ a cloud of toxic gas
a gas cylinder/bottle
(=for storing gas)
2.) [U]
a clear substance like air that is burned for heating or cooking
gas cooker/stove/oven
▪ Can you light the gas for me?
▪ The explosion was caused by a gas leak from the water heater.
3.) gas mark 4/5/6 etc
BrE a measurement of the temperature of a gas ↑oven
4.) [U] AmE also gasoline
a liquid made from ↑petroleum, used mainly for producing power in the engines of cars, trucks etc
British Equivalent: petrol
▪ I probably spend over $200 a month on gas.
▪ The mechanic found a hole in the gas tank .
5.) the gas
AmE the gas ↑pedal of a car
▪ We stepped on the gas (=pushed down the gas pedal and made the car go faster) and sped away.
6.) [U]
a clear substance like air that is used for medical reasons, for example to make people feel less pain or make them sleep during an operation
▪ an anaesthetic gas
7.) [U]
a type of gas used as a weapon, because it harms or kills people when they breathe it in
▪ mustard gas
8.) [U] AmE informal the condition of having a lot of air in your stomach
British Equivalent: wind
9.) a gas
AmE old-fashioned spoken something that is fun and makes you laugh a lot
gas 2
gas2 v past tense gassed past participle gassing
1.) [T]
to poison or kill someone with gas
2.) [i]BrE informal to talk for a long time about unimportant or boring things
= ↑chat
▪ They were just standing there gassing away.
gas up phr v
to put petrol in a car
▪ We'd better gas up before we go.
gas sth<=>up
▪ George gassed up the car.

Dictionary of contemporary English. 2013.

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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 — [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… …   English World dictionary

  • Gas CS — Nombre (IUPAC) sistemático …   Wikipedia Español

  • Gas — Gas. Die Eigenthümlichkeit der Gase, welche elastische Flüssigkeiten, Luftarten sind, besteht in dem Bestreben der kleinsten Theilchen, sich möglichst weit von einander zu entfernen, daher üben sie auf ihre Umgebung einen allseitigen Druck aus u …   Pierer's Universal-Lexikon

  • 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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