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.

Look up orifice in Wiktionary, the free dictionary.

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

An orifice is an opening or a hole, most often in the body, such as your mouth or your nostril. We most often use orifice to describe a natural opening in our bodies, but it can an opening into any cavity, …

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.

An opening, especially to a cavity or passage of the body; a mouth or vent. [Middle English, from Old French, from Late Latin ōrificium : Latin ōs, ōr-, mouth; see ōs- in Indo-European roots + Latin …

Sep 21, 2025 · An orifice is an opening or hole, especially one in the body such as a nostril or the opening of a blood vessel. It can also refer to any opening or aperture in various scientific and …

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

4 days ago · orifice (plural orifices) A mouth or aperture, such as of a tube, pipe, etc.; an opening. quotations the orifice of an artery or vein; the orifice of a wound; the vagina and other orifices

An orifice plate is a thin, flat piece of metal with a precisely machined hole in the middle. This hole, or orifice, is designed to create a pressure drop in the flow of a fluid, which can then be measured to …