airlock
/ˈɛrlɑk/
noun
- A sealed chamber that allows passage between areas of different air pressure, such as in a spacecraft or submarine.
- The astronauts entered the space station through an airlock.
- The submarine's airlock must be sealed tightly before diving.
- He checked the airlock pressure before opening the inner door.
- A bubble of air trapped in a pipe or pump that blocks the flow of liquid.
- The plumber removed an airlock from the water pipe.
- We had to bleed the radiator to get rid of the airlock.
- An airlock in the fuel line caused the engine to stall.