Pressurize (verb)

To increase the pressure of a gas or liquid, often to a level above that of the atmosphere.

Origin:

Pressurize is a back-formation from the noun pressure, which comes from the latin pressura, meaning "pressure or squeezing", which in turn comes from pressus, meaning "pressed".

Examples:

1. The company had to pressurize the pipeline to pump the oil through it.
2. The pilot had to pressurize the cabin before takeoff so that the passengers could breathe comfortably.
3. The scientists pressurized the chamber to simulate the conditions on Mars.
4. The gas in the balloon was pressurized to make it rise.
5. The chef used a pressurized canister to whip cream for the dessert.