illuminating gas

uncountable

coal gas, especially when used for domestic lighting

Japanese Meaning

家庭用照明などに使用される石炭ガス

Before electric lighting became common, many households depended on illuminating gas for domestic lighting.

電灯が普及する前、多くの家庭は家庭用照明のために石炭ガスに頼っていました。

Sense（1）

coal gas, especially when used for domestic lighting