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...

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.

Aprocta :: Aprocta (n. pl.) A group of Turbellaria in which there is no anal aperture.

Aperture :: Aperture (n.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture..

Holostomatous :: Holostomatous (a.) Having an entire aperture; -- said of many univalve shells.

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

Hyperotreta :: Hyperotreta (n. pl.) An order of marsipobranchs, including the Myxine or hagfish and the genus Bdellostoma. They have barbels around the mouth, one tooth on the plate, and a communication between the nasal aperture and the throat. See Hagfish..

Chilostomata :: Chilostomata (n. pl.) An extensive suborder of marine Bryozoa, mostly with calcareous shells. They have a movable lip and a lid to close the aperture of the cells..

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

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..

Opening :: Opening (n.) A place which is open; a breach; an aperture; a gap; cleft, or hole..

Slide :: Slide (n.) A cover which opens or closes an aperture by sliding over it.

Peritreme :: Peritreme (n.) The edge of the aperture of a univalve shell.

Operculum :: Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.

Labrum :: Labrum (n.) The external margin of the aperture of a shell. See Univalve.

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..

Cyclostoma :: Cyclostoma (n. pl.) A division of Bryozoa, in which the cells have circular 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..

Trompil :: Trompil (n.) An aperture in a tromp.

Stop :: Stop (n.) The closing of an aperture in the air passage, or pressure of the finger upon the string, of an instrument of music, so as to modify the tone; hence, any contrivance by which the sounds of a musical instrument are regulated..

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