There was poison-gas and smoke-gas, terrible artillery, awful rifle-fire, and of course the rifle and bayonet.
I have said that it was about four oclock in the afternoon when we had our first experience of the poison-gas.
Just wait for the results of the poison-gas competition presumably.
Acid sprays and poison-gas of various kinds had been tried without appreciable effect.
To begin with, he did not believe in them; they were just a part of the poison-gas of war.
In a word my cottage was filled with some kind of poison-gas!
poison gas n.
A gas or vapor used especially in chemical warfare to injure, disable, or kill upon inhalation or contact.