(aerospace) A mechanical device that uses a chemical reaction to produce a gas as an output. / (engineering, US) An electrical generator that runs on gasoline.

Alternative spelling of avgas

Powered by burning natural gas.

A chemical element or compound which is normally found in gaseous form, but which is in a liquid state due to being pressurised or kept at a low temperature, or both, usually for storage and transport purposes.

Natural gas extracted from shale.

Third-person singular simple present indicative form of pass gas

present participle of pass gas

simple past tense and past participle of pass gas

(obsolete, organic chemistry) ethylene

A mixture of hydrogen and carbon monoxide produced by passing steam over hot coke; used as a domestic fuel