Definition of orifice

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Orifice (n.) A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound..

Lern More About Orifice

Tent :: Tent (n.) A roll of lint or linen, or a conical or cylindrical piece of sponge or other absorbent, used chiefly to dilate a natural canal, to keep open the orifice of a wound, or to absorb discharges..
Gas-burner :: Gas-burner (n.) The jet piece of a gas fixture where the gas is burned as it escapes from one or more minute orifices.
Bung :: Bung (n.) The orifice in the bilge of a cask through which it is filled; bunghole.
Head :: Head (n.) The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea..
Ostiole :: Ostiole (n.) Any small orifice.
Spout :: Spout (v. t.) That through which anything spouts; a discharging lip, pipe, or orifice; a tube, pipe, or conductor of any kind through which a liquid is poured, or by which it is conveyed in a stream from one place to another; as, the spout of a teapot; a spout for conducting water from the roof of a building..
Whistle :: Whistle (v. i.) To make a kind of musical sound, or series of sounds, by forcing the breath through a small orifice formed by contracting the lips; also, to emit a similar sound, or series of notes, from the mouth or beak, as birds..
Meatotome :: Meatotome (n.) An instrument for cutting into the urethra so as to enlarge its orifice.
Stenostome :: Stenosis (n.) A narrowing of the opening or hollow of any passage, tube, or orifice; as, stenosis of the pylorus. It differs from stricture in being applied especially to diffused rather than localized contractions, and in always indicating an origin organic and not spasmodic..
Hydrometrograph :: Hydrometrograph (n.) An instrument for determining and recording the quantity of water discharged from a pipe, orifice, etc., in a given time..
Ovule :: Ovule (n.) The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen..
Hemitropous :: Hemitropous (a.) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; -- said of an ovule.
Sourt :: Sourt (n.) A sudden or violent ejection or gushing of a liquid, as of water from a tube, orifice, or other confined place, or of blood from a wound; a jet; a spirt..
Incurrent :: Incurrent (a.) Characterized by a current which flows inward; as, the incurrent orifice of lamellibranch Mollusca..
Bung :: Bung (n.) The large stopper of the orifice in the bilge of a cask.
Sourt :: Spurt (v. t.) To throw out, as a liquid, in a stream or jet; to drive or force out with violence, as a liquid from a pipe or small orifice; as, to spurt water from the mouth..
Coarctation :: Coarctation (n.) A stricture or narrowing, as of a canal, cavity, or orifice..
Cardia :: Cardia (n.) The anterior or cardiac orifice of the stomach, where the esophagus enters it..
Sprit :: Sprit (v. i.) To throw out with force from a narrow orifice; to eject; to spurt out.
Squirt :: Squirt (v. i.) To be thrown out, or ejected, in a rapid stream, from a narrow orifice; -- said of liquids..
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