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...

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..

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.

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,

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

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

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

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

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

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

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)..

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

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

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..

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

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

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..

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