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.

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

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.

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

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.

An orifice is any opening, mouth, hole or vent, as in a pipe, a plate, or a body.

Nov 26, 2025 · An orifice is a natural opening or aperture within the body. In anatomy, it refers specifically to a passage that allows communication between an internal cavity and the external …

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 …

Jan 14, 2026 · Noun orifice (plural orifices) A mouth or aperture, such as of a tube, pipe, etc.; an opening. the orifice of an artery or vein; the orifice of a wound; he entered the cave's gaping orifice

Orifice definition: An opening, especially to a cavity or passage of the body; a mouth or vent.