noun
(uncountable, physical chemistry) Matter in an intermediate state 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 by deposition.
(countable, physical chemistry) A chemical element or compound in such a state.
(countable) A hob on a gas cooker.
(uncountable) Methane or other waste gases trapped in one's belly as a result of the digestive process; flatus.
(business, often attributive) The supply of natural gas, as a utility.
(slang, dated) A humorous or entertaining event, person, or thing.
(slang) Frothy or boastful talk; chatter.
(baseball) A fastball.
(medicine, colloquial) Arterial or venous blood gas.
verb
(transitive) To attack or kill with poison gas.
(transitive) To use poison gas in (a volume or area) to attack or kill someone or something.
(intransitive, slang) To talk in a boastful or vapid way; to chatter.
(transitive, slang) To impose upon by talking boastfully.
(intransitive) To emit gas.
(transitive) To impregnate with gas.
(transitive) To singe, as in a gas flame, so as to remove loose fibers.
noun
(uncountable, Canada, US, New Zealand, Philippines) Gasoline, a light derivative of petroleum used as fuel.
(uncountable, by extension) Ellipsis of gas pedal; accelerator, throttle.
(uncountable, cryptocurrencies) An internal virtual currency used in Ethereum to pay for certain operations, such as blockchain transactions.
(slang, uncountable) Marijuana, typically of high quality.
verb
(US) To increase the fuel flow to a vehicle's engine in order to accelerate it.
(US) To fill (a vehicle's fuel tank) with fuel.
adjective
(slang, uncountable) Of high quality.
adjective
(slang) Comical, zany; fun, amusing.