vertical slit

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• Slit-scan photography — The slit scan photography technique is a photographic and cinematographic process where a moveable slide, into which a slit has been cut, is inserted between the camera and the subject to be photographed.Slit Scan is also the name of a media… …   Wikipedia

• Slit — A slit is a vertical or horizontal space that can open and close. It also refers to: * in computing, a feature of Blackbox (and similar X window managers) that allows for applications to hide along the edge of the computer display. * in clothing …   Wikipedia

• slit — n. & v. n. 1 a long straight narrow incision. 2 a long narrow opening comparable to a cut. v.tr. (slitting; past and past part. slit) 1 make a slit in; cut or tear lengthwise. 2 cut into strips. Phrases and idioms: slit eyed having long narrow… …   Useful english dictionary

• Arrow-Slit —    A narrow vertical slit cut in a castle wall allowing archers in the castle to shoot at attacking troops outside the castle. The inside of the slit was tapered to give the archer a large field of fire while remaining protected. This tapered… …   The writer's dictionary of science fiction, fantasy, horror and mythology

• Pharyngeal slit — Pharyngeal slits, characteristic of both hemichordata and chordata, are used by organisms in feeding. The wall of the pharynx is perforated by up to 200 vertical slits, which are separated by stiffening rods.Rows of beating cilia cause currents… …   Wikipedia

• Diel vertical migration — Diel vertical migration, also known as diurnal vertical migration, is a pattern of movement that some organisms living in the ocean and in lakes undertake each day. Usually organisms move up to the epipelagic zone at night and return to the… …   Wikipedia

• Pupil — The pupil is the hole that is located in the center of the iris of the eye and that controls the amount of light that enters the eye.Cassin, B. and Solomon, S. Dictionary of Eye Terminology . Gainsville, Florida: Triad Publishing Company, 1990.]… …   Wikipedia

• Kilim — Kilims are flat tapestry woven carpets or rugs produced from theTurkey, Balkans to Pakistan. Kilims can be purely decorative or can function as prayer rugs.NameThe name kilim or kelim is Turkish, and comes from the Persian gelim (گلیم) to spread… …   Wikipedia

• Focal-plane shutter — In camera design, a focal plane shutter is a type of photographic shutter that is positioned immediately in front of the focal plane of the camera, that is, right in front of the photographic film or image sensor. AdvantagesOne of the main… …   Wikipedia

• Eye examination — An eye examination is a battery of tests performed by an optometrist or ophthalmologist assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes.All people should have periodic… …   Wikipedia

• Staring array — A staring array, staring plane array, focal plane array (FPA) or focal plane is an image sensing device consisting of an array (typically rectangular) of light sensing pixels at the focal plane of a lens. FPAs are used most commonly for imaging… …   Wikipedia