Meaning of COAL GAS in English

COAL GAS

noun Date: 1809 gas made from coal: as, the mixture of gases thrown off by burning coal, gas made by carbonizing bituminous coal in retorts and used for heating and lighting

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.