compressibility | Energy Glossary

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compressibility

1. n. []

The ratio of the percent change in volume to the change in pressure applied to a fluid or rock.

2. n. []

The relative change in fluid volume related to a unit change in pressure. This is usually expressed as volume change per unit volume of fluid per psi of pressure change. Gas has higher compressibility than liquid (oil or water).

Synonyms: fluid compressibility