The meaning of ORIFICE is an opening (such as a vent, mouth, or hole) through which something may pass. How to use orifice in a sentence.

An orifice is any opening, mouth, hole or vent, as in a pipe, a plate, or a body Body orifice, any opening in the body of a human or animal Orifice plate, a restriction used to measure flow or to control …

An orifice is an opening or a hole, most often in the body. Your mouth is an orifice through which you eat and speak, and your nostrils are orifices through which you breathe.

ORIFICE definition: an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent. See examples of orifice used in a sentence.

ORIFICE definition: 1. an opening or hole, especially one in the body, such as the mouth: 2. an opening or hole…. Learn more.

Definition of orifice noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Oct 7, 2025 · An orifice is a small opening or hole through which a fluid, such as a liquid or gas, is passed. While its design is basic, an orifice is used to achieve predictable behaviors in systems …

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Jan 6, 2026 · Noun orifice (plural orifices) A mouth or aperture, such as of a tube, pipe, etc.; an opening.

ORIFICE meaning: a hole or opening and especially one in your body (such as your mouth, ear, nostril, etc.)