noun
( -s )
Etymology: from gerund of gas (II)
1. : an act or process of causing something to interact with gas
2.
a. : the deliberate or inadvertent poisoning of persons exposed to noxious gases or fumes
b. : the destruction of pests (as insects) by the use of poisonous gases (as hydrogen cyanide or methyl bromide) : fumigation
3. : the evolution of gas bubbles from the acid in a lead storage battery while charging