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 perforation is as below...

Perforation :: Perforation (n.) The act of perforating, or of boring or piercing through..

Occlusion :: Occlusion (n.) The transient approximation of the edges of a natural opening; imperforation.

Perforation :: Perforation (n.) A hole made by boring or piercing; an aperture.

Screw :: Screw (n.) A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it, the former being distinguished as the external, or male screw, or,

Pounced :: Pounced (a.) Ornamented with perforations or dots.

Foramen :: Foramen (n.) A small opening, perforation, or orifice; a fenestra..

Bore :: Bore (v. i.) To make a hole or perforation with, or as with, a boring instrument; to cut a circular hole by the rotary motion of a tool; as, to bore for water or oil (i. e., to sink a well by boring for water or oil); to bore with a gimlet; to bore into a tree (as insects)..

Hole :: Hole (n.) A hollow place or cavity; an excavation; a pit; an opening in or through a solid body, a fabric, etc.; a perforation; a rent; a fissure..

Atresia :: Atresia (n.) Absence or closure of a natural passage or channel of the body; imperforation.

Paracentesis :: Paracentesis (n.) The perforation of a cavity of the body with a trocar, aspirator, or other suitable instrument, for the evacuation of effused fluid, pus, or gas; tapping..

Eyelet :: Eyelet (n.) A small hole or perforation to receive a cord or fastener, as in garments, sails, etc..

Bore :: Bore (n.) A hole made by boring; a perforation.

Pertusion :: Pertusion (n.) A punched hole; a perforation.

Imperforation :: Imperforation (n.) The state of being without perforation.

Land :: Land (n.) In any surface prepared with indentations, perforations, or grooves, that part of the surface which is not so treated, as the level part of a millstone between the furrows, or the surface of the bore of a rifled gun between the grooves..

Biforate :: Biforate (a.) Having two perforations.

Slot :: Slot (n.) A narrow depression, perforation, or aperture; esp., one for the reception of a piece fitting or sliding in it..

Pouncing :: Pouncing (n.) Decorative perforation of cloth.

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