noun
gas chamber
Refers to a sealed room used for execution by poison gas, especially in the context of the Holocaust or capital punishment.
See also: ガス室
ナチスは強制収容所で毒ガス室を使った。
The Nazis used gas chambers in the concentration camps.
ガス室 is a broader term for any gas chamber, including industrial or laboratory uses, while 毒ガス室 specifically implies lethal poison gas.
Compound of 毒ガス (poison gas) and 室 (room).