Data compression algorithms can be classified in two categories: those with data loss and those without data loss.

How long should I wear compression stockings to improve my circulation?

He has a compression fracture of the spine.

Fossilization is the result of the compression of organisms by the earth during a lot of time.

Temperature is mean kinetic energy, not energy over volume; compression heats a gas by doing work on it; and a gas that expands without doing work does not cool.

How long should I wear compression stockings after surgery?

Carnot machines work according to cycles of compression and expansion.

Einstein had posited that large gravitational forces could stretch light, much like the compression and stretching of sound waves we perceive with the change of pitch of a passing train.