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A European fish (Peristethus cataphractum), having the body covered with bony plates, and having three spines projecting in front of the nose; -- called also noble, pluck, pogge, sea poacher, and armed bullhead.

Resembling, or pertaining to, the genus Madrepora. Madreporic plate (Zoöl.), a perforated plate in echinoderms, through which water is admitted to the ambulacral tubes; -- called also madreporic tubercule.

The madreporic plate of echinoderms.

A camera in which a number of plates can be exposed without reloading.

A voltaic series of two or more large plates, producing a great quantity of electricity of low tension, and hence adapted to the exhibition of electro-magnetic phenomena. [R.]

Any hard protective covering of an animal, as the scales and plates of reptiles, shell of a lobster, etc. We . . . strip the lobster of his scarlet mail. Gay.

Protected by an external coat, or covering, of scales or plates.

To hammer; to beat into a plate or leaf.

The act or process of beating into a plate, sheet, or leaf, as a metal; extension by beating.

o cut in a bungling manner; to lacerate; to mutilate. Mangled with ghastly wounds through plate and mail. Milton.

ntentions, or proclaiming his opinions and motives in reference to some act done or contemplated by him; as, a manifesto declaring the purpose of a prince to begin war, and explaining his motives. Bouvier. it was proposed to draw up a manifesto, setting forth the grounds and motives of our taking arms. Addison . Freder…

Having many folds, layers, or plates; as, a manifolded shield. [Obs.]

small convex mirror which reflects a beam of light on to the ground glass or photographic plate at the other end. The mirror is pivoted so that it can be moved in one direction by a small plunger operated by an elastic metal diaphragm which closes a tube connected with the engine cylinder. It is also moved at right ang…

A stone, or cast-iron plate, or former, on which hot glass is rolled to give it shape.

es used to shape the edges of boards which are joined by grooving and tonguing. -- Match plate (Founding), a board or plate on the opposite sides of which the halves of a pattern are fastened, to facilitate molding. Knight. -- Match wheel (Mach.), a cogwheel of suitable pitch to work with another wheel; specifically,…

To contemplate; to keep the mind fixed upon; to study. "Blessed is the man that doth meditate good things." Ecclus. xiv. 20.

e produced with sensitized collodion on a smooth surface of black varnish, coating a thin plate of iron; also, the process of making such a picture. [Written also melainotype.]

nt after exposure may be deferred indefinitely, so as to permit transportation of exposed plates; also, the process itself.

A plate or scale covering the mentum or chin of a fish or reptile.

The front median plate of the labium in insects. See Labium.