pressure

/ˈprɛʃ.ər/
force per unit area

The pressure in the pipe was too high, so the engineer had to fix it.

The force applied to the pipe's interior surface was excessive, requiring repair.


general

The continuous physical force exerted on or against an object by something in contact with it.

High blood pressure can damage the arteries.

Excessive force of blood against artery walls can cause harm.

The pressure of the water made the pipe burst.

The force exerted by the water on the pipe's interior caused it to break.

Often measured in units like pascals (Pa) or pounds per square inch (psi).

psychological

The stress or urgency of a situation or task.

She felt a lot of pressure to finish the project on time.

She experienced significant stress due to the urgent deadline.

The team worked well under pressure.

The team performed effectively despite stressful conditions.

Can be positive (motivating) or negative (overwhelming).

Engineering
technical

To apply continuous force to something.

The machine pressures the metal sheet into shape.

The machine applies force to mold the metal sheet.

Common in manufacturing and material science.

Collocations

blood pressurethe force of blood against artery wallsunder pressurein a stressful situationair pressurethe force exerted by air on a surface

Related Phrases

pressure cookerphrase
a sealed cooking pot that traps steam to cook food faster
pressure pointphrase
a specific area on the body where pressure is applied, often for medical or martial arts purposes

Pro Tip

Distinguish between physical and psychological pressure

Physical pressure refers to force per unit area (e.g., 'water pressure'), while psychological pressure refers to stress or urgency (e.g., 'work pressure'). Context determines the meaning.

Gold Rule

Use 'pressure' for measurable force

When referring to a quantifiable force (e.g., in physics or engineering), 'pressure' is the correct term. Avoid using 'stress' in purely physical contexts.

Avoid overusing 'pressure' for stress

While 'pressure' can describe psychological stress, it is often more natural to use 'stress' or 'strain' in personal or emotional contexts.

Word Origin

From Latin 'pressura', meaning 'a pressing, act of pressing', from 'pressus', past participle of 'premere' (to press). Entered English in the 14th century.

Usage Notes

As a noun, 'pressure' is uncountable in most contexts (e.g., 'high pressure'). As a verb, it is transitive (e.g., 'to pressure someone'). Avoid confusing with 'stress' in psychological contexts, though they are often used interchangeably.

Word Breakdown

press-
to press or exert force
root
+
-ure
suffix forming nouns of action or result
suffix
English Dictionary