Orifice

/ˈɔːrɪfɪs/

noun

A hole or an opening, usually where something can come in or out.

The smoke is released through an orifice at the top of the chimney.

Definition 1 of 3

Pro Tip 1/3

The term has a simple, non-technical usage and appears in daily descriptions of objects and systems.

If the ball blocks the orifice, the liquid can't flow through.

Pro Tip 2/3

Orifice can describe openings in common items like bottles, pipes, or containers.

Please close the orifice with a cap to prevent spills.

Pro Tip 3/3

In specific contexts, 'orifice' can indicate a designed feature for a particular function.

The lamp's orifice allowed for cable management.

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