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 opening is as below...

Rachitome :: Rachitome (n.) A dissecting instrument for opening the spinal canal.

Larypgismus :: Larypgismus (n.) A spasmodic state of the glottis, giving rise to contraction or closure of the opening..

Cirripedia :: Cirripedia (n. pl.) An order of Crustacea including the barnacles. When adult, they have a calcareous shell composed of several pieces. From the opening of the shell the animal throws out a group of curved legs, looking like a delicate curl, whence the name of the group. See Anatifa..

Debouchure :: Debouchure (n.) The outward opening of a river, of a valley, or of a strait..

Three-valved :: Three-valved (a.) Consisting of, or having, three valves; opening with three valves; as, a three-valved pericarp..

Port :: Port (n.) A passageway; an opening or entrance to an inclosed place; a gate; a door; a portal.

Fissurella :: Fissurella (n.) A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet..

Weatherboard :: Weatherboard (n.) A piece of plank placed in a porthole, or other opening, to keep out water..

Circumscissile :: Circumscissile (a.) Dehiscing or opening by a transverse fissure extending around (a capsule or pod). See Illust. of Pyxidium.

Wink :: Wink (n.) The act of closing, or closing and opening, the eyelids quickly; hence, the time necessary for such an act; a moment..

Fallowness :: Fallowness (n.) A well or opening, through the successive floors of a warehouse or manufactory, through which goods are raised or lowered..

Cholecystotomy :: Cholecystotomy (n.) The operation of making an opening in the gall bladder, as for the removal of a gallstone..

Fenestrule :: Fenestrule (n.) One of the openings in a fenestrated structure.

Foraminiferous :: Foraminiferous (a.) Having small openings, or foramina..

Chinky :: Chinky (a.) Full of chinks or fissures; gaping; opening in narrow clefts.

Kingston Valve :: Kingston valve () A conical valve, opening outward, to close the mouth of a pipe which passes through the side of a vessel below the water line..

Labial :: Labial (a.) Modified, as a vowel, by contraction of the lip opening, as / (f/d), / (/ld), etc., and as eu and u in French, and o, u in German. See Guide to Pronunciation, // 11, 178..

Larynx :: Larynx (n.) The expanded upper end of the windpipe or trachea, connected with the hyoid bone or cartilage. It contains the vocal cords, which produce the voice by their vibrations, when they are stretched and a current of air passes between them. The larynx is connected with the pharynx by an opening, the glottis, which, in mammals, is protected by a lidlike epiglottis..

Arch :: Arch (n.) Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed..

Blastopore :: Blastopore (n.) The pore or opening leading into the cavity of invagination, or archenteron..

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