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Disdiaclast :: Disdiaclast (n.) One of the dark particles forming the doubly refracting disks of muscle fibers.

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..

Disc :: Disc (n.) A circular structure either in plants or animals; as, a blood disc, a germinal disc, etc. Same as Disk..

Bezant :: Bezant (n.) A decoration of a flat surface, as of a band or belt, representing circular disks lapping one upon another..

Subundation :: Subumbrella (n.) The integument of the under surface of the bell, or disk-shaped body, of a jellyfish..

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..

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

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..

Disk :: Disk (n.) The central part of a radiate compound flower, as in sunflower..

Discodactylia :: Discodactylia (n. pl.) A division of amphibians having suctorial disks on the toes, as the tree frogs..

Limb :: Limb (n.) The border or edge of the disk of a heavenly body, especially of the sun and moon..

Lindia :: Lindia (n.) A peculiar genus of rotifers, remarkable for the absence of ciliated disks. By some zoologists it is thought to be like the ancestral form of the Arthropoda..

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..

Epiclinal :: Epiclinal (a.) Situated on the receptacle or disk of a flower.

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..

Chain Pump :: Chain pump () A pump consisting of an endless chain, running over a drum or wheel by which it is moved, and dipping below the water to be raised. The chain has at intervals disks or lifts which fit the tube through which the ascending part passes and carry the water to the point of discharge..

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..

Disk :: Disk (n.) The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk..

Dichotomize :: Dichotomize (v. t.) To exhibit as a half disk. See Dichotomy, 3..

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.

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