compressed gas cylinder; aerosol spray can
Refers to a pressurized container for gases or liquids, from small spray cans to large industrial cylinders. The context usually makes the size clear.
from German Bombe
I replaced the cylinder that had become empty.
We carried an oxygen cylinder into the hospital room.
The insecticide spray can is empty.
The diver entered the water carrying an oxygen cylinder on his back.
While cooking, the gas cylinder ran out.
oxygen cylinder; oxygen tank
From German 'Bombe', originally meaning 'bomb', but in Japanese it came to refer to pressurized containers. The exact path of the semantic shift is uncertain.