pressure

Definition

Pressure is the force pushing on an object per unit area. It is measured in pascals (Pa).

For example, the pressure of the air on your skin is about 101,325 Pa. This means that there is a force of about 101,325 newtons pushing on every square meter of your skin.

Pressure can be caused by gravity, by the weight of a liquid, or by the movement of gas molecules.

How can the word be used?

The doctor applied pressure to the wound.

Different forms of the word

Noun: the force exerted on an object by another object.

Verb: to exert force on an object.

Adjective: relating to or caused by pressure.

Etymology

The word "pressure" comes from the Latin word "pressura", which means "pressing".

The first recorded use of the word "pressure" in English was in the 14th century.

Question

What might happen if the pressure of something is low?