PRES The Finance and Administrative Services Abbreviation

Pressure

The normal force exerted by a homogeneous liquid or gas, per unit of area, on the wall of its container. The force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit). The force per unit area acting on a surface. A force being exerted on part of a surface. When you stand, your feet put pressure on the ground.