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e area or the volume generated by the rotation of a line or surface about a fixed axis, depending upon the principle that every figure formed by the revolution of a line or surface about such an axis has for measure the product of the line or surface by the length of the path of its center of gravity; -- sometimes call…

he bivalves; -- so called because the head is distinctly developed. See Illustration in Appendix.

th, and the skull bears a bony horn core on the united nasal bones. See Illustration in Appendix.

a trematode worm having the shape of a tadpole, with its body terminated by a tail-like appendage.

One of the jointed antenniform appendage of the posterior somites of cartain insects. Packard.

Inclining or nodding downward; pendulous; drooping; -- said of a bud, flower, fruit, or the capsule of a moss.

Not specifically named; indeterminate; indefinite; one or some; -- sometimes used independenty as a noun, and meaning certain persons. It came to pass when he was in a certain city. Luke. v. 12. About everything he wrote there was a certain natural grace und decorum. Macaulay. For certain, assuredly. -- Of a certain,…

r a superior court, to call up the records of a inferior court, or remove a cause there depending, in order that the party may have more sure and speedy justice, or that errors and irreguarities may be corrected. It is obtained upon complaint of a party that he has not received justice, or can not have an impartial tri…

m of molding in imitation of a chain, used in the Normal style. -- Chain pier, a pier suspended by chain. -- Chain pipe (Naut.), an opening in the deck, lined with iron, through which the cable is passed into the lockers or tiers. -- Chain plate (Shipbuilding), one of the iron plates or bands, on a vessel's side, to…

A chapel or dependent church built for the ease or a accommodation of an increasing parish, or for parishioners who live at a distance from the principal church. (b) A privy. (Law) -- Chapel master, a director of music in a chapel; the director of a court or orchestra. -- To build a chapel (Naut.), to chapel a ship. S…

Strength of mind; resolution; independence; individuality; as, he has a great deal of character.

Careful; wary; cautious; not rash, reckless, or spendthrift; saving; frugal. His rising reputation made him more chary of his fame. Jeffrey.

an hand, and believed to have been made by labyrinthodont reptiles. See Illustration in Appendix.

form a firm shell. The jaws are covered by a horny beak. See Reptilia; also, Illust. in Appendix.

Any mechanical engraving process depending upon chemical action; specif., a process of zinc etching not employing photography. -- Chem`i*graph"ic (#), a.

they undergo in consequence of alterations in the constitution of the molecules, which depend upon variations of the number, kind, or mode of arrangement, of the constituent atoms. These atoms are not assumed to be indivisible, but merely the finest grade of subdivision hitherto attained. Chemistry deals with the chan…

A piece of oak bolted perpendicularly on the side of a vessel, to aid in drawing down and securing the clew of the mainsail.

nging to the order Holocephali. The teeth are few and large. The head is furnished with appendages, and the tail terminates in a point.

A disease characterized by severe nervous symptoms, dependent upon the presence of the constituents of the bile in the blood.

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.