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Definition gas

Etymology 1

Borrowed from Dutch gas [1650s], coined by chemist Jan Baptist van Helmont. Probably derived from Dutch chaos (“chaos”), from Ancient Greek ???? (kháos, “chasm, void, empty space”); perhaps inspired by geest (“breath, vapour, spirit”).

Noun

gas (countable and uncountable, plural gases or gasses)

1. (uncountable, chemistry) Matter in a state intermediate between liquid and plasma that can be contained only if it is fully surrounded by a solid (or in a bubble of liquid) (or held together by gravitational pull); it can condense into a liquid, or can (rarely) become a solid directly.
2. (countable, chemistry) A chemical element or compound in such a state.
3. (uncountable) A flammable gaseous hydrocarbon or hydrocarbon mixture (typically predominantly methane) used as a fuel, e.g. for cooking, heating, electricity generation or as a fuel in internal combustion engines in vehicles.
4. (countable) A hob on a gas cooker.
5. (US) Methane or other waste gases trapped in one's belly as a result of the digestive process.
6. (slang) A humorous or entertaining event or person.
7. (slang) Frothy talk; chatter.
8. (baseball) A fastball.
9. (medicine, colloquial) Arterial or venous blood gas.

Verb

gas (third-person singular simple present gases, present participle gassing, simple past and past participle gassed)

1. (transitive) To kill with poisonous gas.
2. (intransitive) To talk, chat.
3. (intransitive) To emit gas.
4. (transitive) To impregnate with gas.
5. (transitive) To singe, as in a gas flame, so as to remove loose fibers.

Etymology 2

Clipping of gasoline.

Noun

gas (uncountable)

1. (uncountable, US) Gasoline; a derivative of petroleum used as fuel.
2. (US) Gas pedal.

Verb

gas (third-person singular simple present gases or gasses, present participle gassing, simple past and past participle gassed)

1. (US) To give a vehicle more fuel in order to accelerate it.
2. (US) To fill (a vehicle's fuel tank) with fuel.

Etymology 3

Compare the slang usage of "a gas", above.

Adjective

gas (comparative gasser, superlative gassest)

1. (Ireland, colloquial) comical, zany; fun, amusing

Results 182 Words with the letters GAS

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