Results for: gas

gas

gas


gas  (gs)
n. pl. gas·es or gas·ses
1.
a. 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.
b. A substance in the gaseous state.
2. A gaseous fuel, such as natural gas.
3. Gasoline.
4. The speed control of a gasoline engine. Used with the: Step on the gas.
5. A gaseous asphyxiant, irritant, or poison.
6. A gaseous anesthetic, such as nitrous oxide.
7.
a. Flatulence.
b. Flatus.
8. Slang Idle or boastful talk.
9. Slang Someone or something exceptionally exciting or entertaining: The party was a gas.
v. gassed, gas·sing, gas·es or gas·ses
v.tr.
1. To treat chemically with gas.
2. To overcome, disable, or kill with poisonous fumes.
v.intr.
1. To give off gas.
2. Slang To talk excessively.
Phrasal Verb:
gas up
To supply a vehicle with gas or gasoline: gas up a car; gassed up before the trip.
[Dutch, an occult physical principle supposed to be present in all bodies, alteration of Greek khaos, chaos, empty space, coined by Jan Baptista van Helmont (1577-1644), Flemish chemist.]
gas [gæs]
n pl gases, gasses
1. (Physics / General Physics) 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. (Physics / General Physics) any substance that is gaseous at room temperature and atmospheric pressure
3. (Physics / General Physics) any gaseous substance that is above its critical temperature and therefore not liquefiable by pressure alone Compare vapour [2]
4. (Chemistry / Elements & Compounds)
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. (Medicine / Pharmacology) a gaseous anaesthetic, such as nitrous oxide
6. (Mining & Quarrying) Mining firedamp or the explosive mixture of firedamp and air
7. (Chemistry / Elements & Compounds) the usual US, Canadian, and New Zealand word for petrol, a shortened form of gasoline
step on the gas Informal
a.  to increase the speed of a motor vehicle; accelerate
b.  to hurry
9. (Military) 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. (Life Sciences & Allied Applications / Physiology) US an informal name for flatus
vb gases, gasses gassing, gassed
1. (tr) to provide or fill with gas
2. (tr) to subject to gas fumes, esp so as to asphyxiate or render unconscious
3. (Physics / General Physics) (intr) to give off gas, as in the charging of a battery
4. (Clothing, Personal Arts & Crafts / Textiles) (tr) (in textiles) to singe (fabric) with a flame from a gas burner to remove unwanted fibres
5. (intr; foll by to) Informal to talk in an idle or boastful way (to a person)
6. (tr) Slang chiefly US and Canadian to thrill or delight
[C17 (coined by J. B. van Helmont (1577-1644), Flemish chemist): modification of Greek khaos atmosphere]
gasless  adj
gas  (gs)
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.
gaseous adjective (gs-s, gshs)


gas  /gs/  n. gases [C;U] 1 any air-like substance, which usu. cannot be seen, that is not a liquid or solid: Oxygen is a gas that exists in large quantities in the air. 2 a substance used for cooking and heating: She turned on the gas (or) gas stove to boil some water. 3 infrml.short for gasoline: I stopped the car for gas at the local gas station. 4 infrml. wind from the stomach or intestine: Eating onions gives me gas. 5 a substance (e.g., nitrous oxide) given to you by a dentist or doctor to prevent pain, (syn.) an anesthetic: The dentist gave me gas before he pulled out my tooth. 6 infrml. a very funny thing: The new comedy show is a real gas. 7 to run out of gas: a. to have no more gasoline: Our car ran out of gas on the highway. b. fig. to become very tired, unable to continue: I worked very late last night; then I ran out of gas and went to bed.
v. [T] gassed, gassing, gases 1 to kill or injure with poisonous gas: The army gassed the village with mustard gas and killed many people. 2 phrasal v. sep. to gas s.t. up: to fill s.t. with gasoline: Im going to gas up the car for our long trip.||Im going to gas it up. gas
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