1.
to increase the air pressure in an enclosed space, e.g. inside an aircraft, in order to maintain air at close to normal atmospheric pressure when the external air pressure falls
2.
to increase the pressure of a gas or liquid in a container beyond normal levels
3.
to apply great persuasion or a strong influence on somebody in order to force him or her to do something
4.
to try to persuade or force someone to do something. The usual American word is pressure
5.
to make the pressure inside something such as a container different from the pressure outside
1.
to increase the air pressure in an enclosed space, e.g. inside an aircraft, in order to maintain air at close to normal atmospheric pressure when the external air pressure falls
2.
to increase the pressure of a gas or liquid in a container beyond normal levels
3.
to apply great persuasion or a strong influence on somebody in order to force him or her to do something
4.
to try to persuade or force someone to do something. The usual American word is pressure
5.
to make the pressure inside something such as a container different from the pressure outside