The Collaborative International Dictionary
Illuminating \Il*lu"mi*na`ting\, a. Giving or producing light; used for illumination.
Illuminating gas. See Gas, n., 2 (a) .
Wiktionary
n. coal gas, especially when used for domestic lighting
Usage examples of "illuminating gas".
There could have been no such thing as illuminating gas, nor have we found any trace of any receptacles which might have held poison.
And electricity, too, if you can believe ithe carefully figures out just how much electricity is in how many thousands of miles of wire, how many tons of illuminating gas in tanks, how much steel in the new skyscrapers, how much paper for government records and yellow journalism, and so on.
Pipes for illuminating gas dangled from the ceiling and ancient painted-over copper wiring was still tacked to the baseboards.
Yes, she had looked this way before the big shows, and then he hadn't gotten in her way, understanding that she was so filled with a mixture of fear and competitive aggressiveness that it was as if her head was full of illuminating gas: a single spark and she would explode.
There was a peculiar odor of something like illuminating gas in the air.
He had not forgotten his chemistry and he knew that twenty minutes of illuminating gas should have been sufficient to make him lose consciousness.
You know how you can bum off illuminating gas with a single spark and not be hurt if you do it before the concentration gets too heavy?