Definition of aperture

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Aperture (n.) An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall..

Lern More About Aperture

Rima :: Rima (n.) A narrow and elongated aperture; a cleft; a fissure.
Operculum :: Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.
Imperforated :: Imperforated (a.) Not perforated; having no opening or aperture.
Peritreme :: Peritreme (n.) The edge of the aperture of a univalve shell.
Stoma :: Stoma (n.) One of the minute apertures between the cells in many serous membranes.
Fatiscence :: Fatiscence (n.) A gaping or opening; state of being chinky, or having apertures..
Flashing :: Flashing (n.) The reheating of an article at the furnace aperture during manufacture to restore its plastic condition; esp., the reheating of a globe of crown glass to allow it to assume a flat shape as it is rotated..
Opening :: Opening (n.) A place which is open; a breach; an aperture; a gap; cleft, or hole..
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..
Slide :: Slide (n.) A cover which opens or closes an aperture by sliding over it.
Overture :: Overture () An opening or aperture; a recess; a recess; a chamber.
Effuse :: Effuse (a.) Having the lips, or edges, of the aperture abruptly spreading; -- said of certain shells..
Wad :: Wad (n.) A soft mass, especially of some loose, fibrous substance, used for various purposes, as for stopping an aperture, padding a garment, etc..
Perforation :: Perforation (n.) A hole made by boring or piercing; an aperture.
Confessional :: Confessional (n.) The recess, seat, or inclosed place, where a priest sits to hear confessions; often a small structure furnished with a seat for the priest and with a window or aperture so that the penitent who is outside may whisper into the priest's ear without being seen by him or heard by others..
Stigma :: Stigma (v. t.) One of the apertures of the pulmonary sacs of arachnids. See Illust. of Scorpion.
Valve :: Valve (n.) A lid, plug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid..
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..
Apertion :: Apertion (n.) The act of opening; an opening; an aperture.
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..
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