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Anglais Definition alternate Anglais Synonymes alternate
Chercher gas
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Synonymes AnglaisAnglais SimplifiéConjugaison Anglaise Autre Dictionnaire
gas 
  n pl , gases, gasses 
1 a substance in a physical state in which it does not resist change of shape and will expand indefinitely to fill any container. If very high pressure is applied a gas may become liquid or solid, otherwise its density tends towards that of the condensed phase 
 Compare  →  liquid  →  1  →  solid  →  1 
2 any substance that is gaseous at room temperature and atmospheric pressure 
3 any gaseous substance that is above its critical temperature and therefore not liquefiable by pressure alone 
 Compare  →  vapour  →  2 
4 
a a fossil fuel in the form of a gas, used as a source of domestic and industrial heat 
 See also  →  coal gas  →  natural gas 
b (as modifier) 
a gas cooker, gas fire  
5 a gaseous anaesthetic, such as nitrous oxide 
6  (Mining) firedamp or the explosive mixture of firedamp and air 
7 the usual U.S., Canadian, and New Zealand word for petrol, a shortened form of gasoline 
8 ♦ step on the gas 
Informal 
a to increase the speed of a motor vehicle; accelerate 
b to hurry 
9 a toxic or suffocating substance in suspension in air used against an enemy 
10 Informal idle talk or boasting 
11 Slang a delightful or successful person or thing 
his latest record is a gas  
12  (U.S.)  an informal name for  →  flatus 
  vb , gases, gasses, gassing, gassed 
13 tr to provide or fill with gas 
14 tr to subject to gas fumes, esp. so as to asphyxiate or render unconscious 
15 intr to give off gas, as in the charging of a battery 
16 tr (in textiles) to singe (fabric) with a flame from a gas burner to remove unwanted fibres 
17 intr; foll by: to 
Informal to talk in an idle or boastful way (to a person) 
18 tr 
Slang  (chiefly U.S. and Canadian) to thrill or delight 
  (C17 (coined by J. B. van Helmont (1577--1644), Flemish chemist): modification of Greek khaos atmosphere) 
♦  gasless  adj 

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"