gases, gasses, gassing, gassed
(The form gases is the plural of the noun. The form gasses is the third person singular of the verb.)
1) N-UNCOUNT Gas is a substance like air that is neither liquid nor solid and burns easily. It is used as a fuel for cooking and heating.

Coal is actually cheaper than gas...

Shell signed a contract to develop oil and gas reserves near Archangel.

2) N-VAR A gas is any substance that is neither liquid nor solid, for example oxygen or hydrogen.

Helium is a very light gas.

...a huge cloud of gas and dust from the volcanic eruption.

3) N-MASS Gas is a poisonous gas that can be used as a weapon.

...mustard gas...

The problem was that the exhaust gases contain many toxins.

4) N-MASS Gas is a gas used for medical purposes, for example to make patients feel less pain or go to sleep during an operation. [INFORMAL] anaesthetic gas used by many dentists.

5) N-UNCOUNT Gas is the fuel which is used to drive motor vehicles. [AM]

...a tank of gas.

...gas stations.

(in BRIT, use petrol)
6) VERB To gas a person or animal means to kill them by making them breathe poisonous gas.

[V n] Her husband ran a pipe from her car exhaust to the bedroom in an attempt to gas her.

7) N-SING: a N You can describe a situation or event as a gas when it is very lively, amusing, and enjoyable. [INFORMAL, OLD-FASHIONED]

It was really a gas to find someone I could talk with.

8) See also , laughing gas, , tear gas, , gas mask
9) PHRASE: V inflects If you step on the gas when you are driving a vehicle, you go faster. [mainly AM, INFORMAL]
(in BRIT, use step on it)

English dictionary. 2008.

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Look at other dictionaries:

  • Gas — (et) …   Kölsch Dialekt Lexikon

  • Gas — [ga:s], das; es, e: 1. a) unsichtbarer Stoff in der Form wie Luft: giftiges, brennbares, explosives Gas; einen Ballon mit Gas füllen; zu Gas werden; in der Flüssigkeit sind mehrere Gase aufgelöst. b) brennbares, zum Kochen und Heizen verwendetes… …   Universal-Lexikon

  • gas — s.m.inv. 1a. FO ogni sostanza che, a temperatura e pressione normale, è allo stato aeriforme, in contrapposizione ai solidi e ai liquidi, e non presenta forma e volume propri 1b. TS fis., chim. sostanza aeriforme che si trova al di sopra della… …   Dizionario italiano

  • 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

  • gas — (Palabra inventada por el científico flamenco J. B. van Helmont en el siglo XVII, sobre el lat. chaos). 1. m. Fluido que tiende a expandirse indefinidamente y que se caracteriza por su pequeña densidad, como el aire. 2. Cada uno de los gases… …   Diccionario de la lengua española

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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

  • 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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