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 disk is as below...

Disk :: Disk (n.) The whole surface of a leaf.

Phenakistoscope :: Phenakistoscope (n.) A revolving disk on which figures drawn in different relative attitudes are seen successively, so as to produce the appearance of an object in actual motion, as an animal leaping, etc., in consequence of the persistence of the successive visual impressions of the retina. It is often arranged so that the figures may be projected upon a screen..

Truck :: Truck (v. i.) A small piece of wood, usually cylindrical or disk-shaped, used for various purposes..

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..

Trundlehead :: Trundlehead (n.) One of the disks forming the ends of a lantern wheel or pinion.

Discina :: Discina (n.) A genus of Branchiopoda, having a disklike shell, attached by one valve, which is perforated by the peduncle..

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..

Photodrome :: Photodrome (n.) An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction..

Full-orbed :: Full-orbed (a.) Having the orb or disk complete or fully illuminated; like the full moon.

Sugary :: Sugarplum (n.) A kind of candy or sweetneat made up in small balls or disks.

Gong :: Gong (n.) An instrument, first used in the East, made of an alloy of copper and tin, shaped like a disk with upturned rim, and producing, when struck, a harsh and resounding noise..

Depressed :: Depressed (a.) Concave on the upper side; -- said of a leaf whose disk is lower than the border.

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..

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

Vorticella :: Vorticella (n.) Any one of numerous species of ciliated Infusoria belonging to Vorticella and many other genera of the family Vorticellidae. They have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched..

Discoidal :: Discoidal (a.) Disk-shaped; discoid.

Peritricha :: Peritricha (n. pl.) A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticellas. See Vorticella.

Pulmograde :: Pulmograde (a.) Swimming by the expansion and contraction, or lunglike movement, of the body, or of the disk, as do the medusae..

Discoid :: Discoid (n.) Anything having the form of a discus or disk; particularly, a discoid shell..

Pallet :: Pallet (n.) One of the series of disks or pistons in the chain pump.

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