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

Blast :: Blast (n.) A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast..
Flatter :: Flatter (n.) A drawplate with a narrow, rectangular orifice, for drawing flat strips, as watch springs, etc..
Hydroscope :: Hydroscope (n.) A kind of water clock, used anciently for measuring time, the water tricking from an orifice at the end of a graduated tube..
Vulva :: Vulva (n.) The orifice of the oviduct of an insect or other invertebrate.
Whistle :: Whistle (v. i.) The shrill sound made by wind passing among trees or through crevices, or that made by bullet, or the like, passing rapidly through the air; the shrill noise (much used as a signal, etc.) made by steam or gas escaping through a small orifice, or impinging against the edge of a metallic bell or cup..
Stal :: Staktometer (n.) A drop measurer; a glass tube tapering to a small orifice at the point, and having a bulb in the middle, used for finding the number of drops in equal quantities of different liquids. See Pipette..
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..
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..
Squirt :: Squirt (v. i.) To be thrown out, or ejected, in a rapid stream, from a narrow orifice; -- said of liquids..
Protrude :: Protrude (v. t.) To thrust out, as through a narrow orifice or from confinement; to cause to come forth..
Orthotropous :: Orthotropous (a.) Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.
Urcelate :: Urcelate (a.) Shaped like a pitcher or urn; swelling below, and contrasted at the orifice, as a calyx or corolla..
Regurgitation :: Regurgitation (n.) The act of flowing or pouring back by the orifice of entranc.
Bung :: Bung (n.) The large stopper of the orifice in the bilge of a cask.
Sprit :: Sprit (v. i.) To throw out with force from a narrow orifice; to eject; to spurt out.
Bung :: Bung (n.) The orifice in the bilge of a cask through which it is filled; bunghole.
Constrictor :: Constrictor (n.) A muscle which contracts or closes an orifice, or which compresses an organ; a sphincter..
Orifice :: 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..
Peristome :: Peristome (n.) The fringe of teeth around the orifice of the capsule of mosses. It consists of 4, 8, 16, 32, or 64 teeth, and may be either single or double..
Whistle :: Whistle (v. i.) A sharp, shrill, more or less musical sound, made by forcing the breath through a small orifice of the lips, or through or instrument which gives a similar sound; the sound used by a sportsman in calling his dogs; the shrill note of a bird; as, the sharp whistle of a boy, or of a boatswain's pipe; the blackbird's mellow whistle..
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