Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of aperture is as below...

Vent :: Vent (n.) A small aperture; a hole or passage for air or any fluid to escape; as, the vent of a cask; the vent of a mold; a volcanic vent..

Swallowed :: Swallow (n.) The aperture in a block through which the rope reeves.

Effuse :: Effuse (a.) Having the lips, or edges, of the aperture abruptly spreading; -- said of certain shells..

Fatiscence :: Fatiscence (n.) A gaping or opening; state of being chinky, or having apertures..

Bole :: Bole (n.) An aperture, with a wooden shutter, in the wall of a house, for giving, occasionally, air or light; also, a small closet..

Stigma :: Stigma (v. t.) One of the apertures of the pulmonary sacs of arachnids. See Illust. of Scorpion.

Burette :: Burette (n.) An apparatus for delivering measured quantities of liquid or for measuring the quantity of liquid or gas received or discharged. It consists essentially of a graduated glass tube, usually furnished with a small aperture and stopcock..

Hourglass :: Hourglass (n.) An instrument for measuring time, especially the interval of an hour. It consists of a glass vessel having two compartments, from the uppermost of which a quantity of sand, water, or mercury occupies an hour in running through a small aperture unto the lower..

Wicket :: Wicket (n.) A small gate or door, especially one forming part of, or placed near, a larger door or gate; a narrow opening or entrance cut in or beside a door or gate, or the door which is used to close such entrance or aperture. Piers Plowman..

Mouth :: Mouth (n.) The opening through which an animal receives food; the aperture between the jaws or between the lips; also, the cavity, containing the tongue and teeth, between the lips and the pharynx; the buccal cavity..

Vial :: Vial (n.) A small bottle, usually of glass; a little glass vessel with a narrow aperture intended to be closed with a stopper; as, a vial of medicine..

Spiracular :: Spiracle (n.) Any small aperture or vent for air or other fluid.

Rime :: Rime (n.) A rent or long aperture; a chink; a fissure; a crack.

Goggle :: Goggle (v. i.) A disk with a small aperture, to direct the sight forward, and cure squinting..

Operculum :: Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..

Hiatus :: Hiatus (n.) An opening; an aperture; a gap; a chasm; esp., a defect in a manuscript, where some part is lost or effaced; a space where something is wanting; a break..

Clepsydra :: Clepsydra (n.) A water clock; a contrivance for measuring time by the graduated flow of a liquid, as of water, through a small aperture. See Illust. in Appendix..

Umbilicus :: Umbilicus (n.) Either one of the two apertures in the calamus of a feather.

Resonator :: Resonator (n.) Anything which resounds; specifically, a vessel in the form of a cylinder open at one end, or a hollow ball of brass with two apertures, so contrived as to greatly intensify a musical tone by its resonance. It is used for the study and analysis of complex sounds..

Ingate :: Ingate (n.) The aperture in a mold for pouring in the metal; the gate.

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