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.
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Common Objects
Orifice can describe openings in common items like bottles, pipes, or containers. Please close the orifice with a cap to prevent spills.
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Precise Context
In specific contexts, 'orifice' can indicate a designed feature for a particular function. The lamp's orifice allowed for cable management.