coal gas


noun

a gas used for illuminating and heating, produced by distilling bituminous coal and consisting chiefly of hydrogen, methane, and carbon monoxide.
the gas formed by burning coal.

Origin of coal gas

First recorded in 1800–10

Example sentences from the Web for coal gas

British Dictionary definitions for coal gas

coal gas

noun

a mixture of gases produced by the distillation of bituminous coal and used for heating and lighting: consists mainly of hydrogen, methane, and carbon monoxide