Definition of disk

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Disk (n.) The anterior surface or oral area of coelenterate animals, as of sea anemones..

Lern More About Disk

Discophora :: Discophora (n. pl.) A division of acalephs or jellyfishes, including most of the large disklike species..
Porpita :: Porpita (n.) A genus of bright-colored Siphonophora found floating in the warmer parts of the ocean. The individuals are round and disk-shaped, with a large zooid in the center of the under side, surrounded by smaller nutritive and reproductive zooids, and by slender dactylozooids near the margin. The disk contains a central float, or pneumatocyst..
Starfish :: Starfish (n.) Any one of numerous species of echinoderms belonging to the class Asterioidea, in which the body is star-shaped and usually has five rays, though the number of rays varies from five to forty or more. The rays are often long, but are sometimes so short as to appear only as angles to the disklike body. Called also sea star, five-finger, and stellerid..
Gecko :: Gecko (n.) Any lizard of the family Geckonidae. The geckoes are small, carnivorous, mostly nocturnal animals with large eyes and vertical, elliptical pupils. Their toes are generally expanded, and furnished with adhesive disks, by which they can run over walls and ceilings. They are numerous in warm countries, and a few species are found in Europe and the United States. See Wall gecko, Fanfoot..
Chromatrope :: Chromatrope (n.) An instrument for exhibiting certain chromatic effects of light (depending upon the persistence of vision and mixture of colors) by means of rapidly rotating disks variously colored.
Subundation :: Subumbrella (n.) The integument of the under surface of the bell, or disk-shaped body, of a jellyfish..
Umbo :: Umbo (n.) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvae of echinoderms or in the tympanic membrane of the ear..
Radiate :: Radiate (a.) Having in a capitulum large ray florets which are unlike the disk florets, as in the aster, daisy, etc..
Encrinoidea :: Encrinoidea (n. pl.) That order of the Crinoidea which includes most of the living and many fossil forms, having jointed arms around the margin of the oral disk; -- also called Brachiata and Articulata. See Illusts. under Comatula and Crinoidea..
Tasimer :: Tasimer (n.) An instrument for detecting or measuring minute extension or movements of solid bodies. It consists essentially of a small rod, disk, or button of carbon, forming part of an electrical circuit, the resistance of which, being varied by the changes of pressure produced by the movements of the object to be measured, causes variations in the strength of the current, which variations are indicated by a sensitive galvanometer. It is also used for measuring minute changes of temperature..
Face :: Face (n.) The principal dressed surface of a plate, disk, or pulley; the principal flat surface of a part or object..
Orbitolites :: Orbitolites (n.) A genus of living Foraminifera, forming broad, thin, circular disks, containing numerous small chambers..
Anorthoscope :: Anorthoscope (n.) An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted..
Pile :: Pile (n.) A vertical series of alternate disks of two dissimilar metals, as copper and zinc, laid up with disks of cloth or paper moistened with acid water between them, for producing a current of electricity; -- commonly called Volta's pile, voltaic pile, or galvanic pile..
Planchet :: Planchet (n.) A flat piece of metal; especially, a disk of metal ready to be stamped as a coin..
Tethys :: Tethys (n.) A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored..
Digit :: Digit (n.) One twelfth part of the diameter of the sun or moon; -- a term used to express the quantity of an eclipse; as, an eclipse of eight digits is one which hides two thirds of the diameter of the disk..
Discoidal :: Discoidal (a.) Disk-shaped; discoid.
Shovelboard :: Shovelboard (n.) A game played on board ship in which the aim is to shove or drive with a cue wooden disks into divisions chalked on the deck; -- called also shuffleboard.
Disciferous :: Disciferous (a.) Bearing disks.
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