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

Bezant :: Bezant (n.) A decoration of a flat surface, as of a band or belt, representing circular disks lapping one upon another..
Umbrella :: Umbrella (n.) The umbrellalike disk, or swimming bell, of a jellyfish..
Lap :: Lap (n.) A piece of brass, lead, or other soft metal, used to hold a cutting or polishing powder in cutting glass, gems, and the like, or in polishing cutlery, etc. It is usually in the form of wheel or disk, which revolves on a vertical axis..
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..
Epigynous :: Epigynous (a.) Adnate to the surface of the ovary, so as to be apparently inserted upon the top of it; -- said of stamens, petals, sepals, and also of the disk..
Disk :: Disk (n.) In owls, the space around the eyes..
Sung :: Sunflower (n.) Any plant of the genus Helianthus; -- so called probably from the form and color of its flower, which is large disk with yellow rays. The commonly cultivated sunflower is Helianthus annuus, a native of America..
Disk :: Disk (n.) A discus; a quoit.
Bull''s-eye :: Bull's-eye (n.) A small thick disk of glass inserted in a deck, roof, floor, ship's side, etc., to let in light..
Whiteweed :: Whiteweed (n.) A perennial composite herb (Chrysanthemum Leucanthemum) with conspicuous white rays and a yellow disk, a common weed in grass lands and pastures; -- called also oxeye daisy..
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..
Chaffy :: Chaffy (a.) Bearing or covered with dry scales, as the under surface of certain ferns, or the disk of some composite flowers..
Disk :: Disk (n.) A part of the receptacle enlarged or expanded under, or around, or even on top of, the pistil..
Sabot :: Sabot (n.) A thick, circular disk of wood, to which the cartridge bag and projectile are attached, in fixed ammunition for cannon; also, a piece of soft metal attached to a projectile to take the groove of the rifling..
Disk :: Disk (n.) A flat, circular plate; as, a disk of metal or paper..
Wheel :: Wheel (n.) A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc..
Web :: Web (n.) A disk or solid construction serving, instead of spokes, for connecting the rim and hub, in some kinds of car wheels, sheaves, etc..
Eccentric :: Eccentric (n.) A disk or wheel so arranged upon a shaft that the center of the wheel and that of the shaft do not coincide. It is used for operating valves in steam engines, and for other purposes. The motion derived is precisely that of a crank having the same throw..
Target :: Target (n.) A conspicuous disk attached to a switch lever to show its position, or for use as a signal..
Pulmograde :: Pulmograde (a.) Swimming by the expansion and contraction, or lunglike movement, of the body, or of the disk, as do the medusae..
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