orifice

word

Definition

An orifice is an opening, hole, or passage, especially in the body or in a machine, where something can enter or leave.

Usage & Nuances

Formal and technical; used in medical, engineering, and scientific contexts. Not commonly used in casual conversation—'hole' or 'opening' is more everyday. Typical phrases include 'nasal orifice' or 'valve orifice'.

Example Sentences

Water flows through the orifice at the bottom of the tank.

basic

The doctor examined the nasal orifice for signs of infection.

basic

A small orifice lets the air escape from the balloon.

basic

If the orifice gets blocked, the machine won’t work properly.

natural

They adjusted the orifice size to control the flow rate.

natural

That chemical must not come into contact with any body orifice.

natural