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

Flatter :: Flatter (n.) A drawplate with a narrow, rectangular orifice, for drawing flat strips, as watch springs, etc..
Sinus :: Sinus (n.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice..
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..
Hydrometrograph :: Hydrometrograph (n.) An instrument for determining and recording the quantity of water discharged from a pipe, orifice, etc., in a given time..
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..
Ostiole :: Ostiole (n.) Any small orifice.
Squirt :: Squirt (v. t.) To drive or eject in a stream out of a narrow pipe or orifice; as, to squirt water..
Hiss :: Hiss (n.) The noise made by steam escaping through a narrow orifice, or by water falling on a hot stove..
Urcelate :: Urcelate (a.) Shaped like a pitcher or urn; swelling below, and contrasted at the orifice, as a calyx or corolla..
Protrude :: Protrude (v. t.) To thrust out, as through a narrow orifice or from confinement; to cause to come forth..
Spout :: Spout (v. i.) To issue with with violence, or in a jet, as a liquid through a narrow orifice, or from a spout; as, water spouts from a hole; blood spouts from an artery..
Lip :: Lip (n.) One of the two fleshy folds which surround the orifice of the mouth in man and many other animals. In man the lips are organs of speech essential to certain articulations. Hence, by a figure they denote the mouth, or all the organs of speech, and sometimes speech itself..
Pore :: Pore (v.) One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc..
Meatotome :: Meatotome (n.) An instrument for cutting into the urethra so as to enlarge its orifice.
Hymen :: Hymen (n.) A fold of muscous membrane often found at the orifice of the vagina; the vaginal membrane.
Jet :: "Jet (n.) A shooting forth; a spouting; a spurt; a sudden rush or gush, as of water from a pipe, or of flame from an orifice; also, that which issues in a jet..
Bung :: Bung (n.) The large stopper of the orifice in the bilge of a cask.
Spiracle :: Spiracle (n.) A tubular orifice communicating with the gill cavity of certain ganoid and all elasmobranch fishes. It is the modified first gill cleft.
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.
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