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black variety of diamond, found in Brazil, and used for diamond drills. It occurs in irregular or rounded fragments, rarely distinctly crystallized, with a texture varying from compact to porous.

urrent of air induced by the suction of the engine piston, the supply of gasoline being regulated by a float which actuates a needle valve controlling the outlet of the feed pipe. Alcohol and other volatile inflammable liquids may be used instead of gasoline.

Coming without regularity; occasional; incidental; as, casual expenses. A constant habit, rather than a casual gesture. Hawthorne.

A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.

Connection of links or union of parts, as in a chain; a regular or connected series. See Concatenation. Sir T. Browne.

A Highland robber: a kind of irregular soldier. [Scot.] Sir W. Scott.

The act or operation of cutting, to relieve the structure in strangulated hernia. [Frequently written kelotomy.]

Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal. Balfour.

Behavior regulated by strict etiquette; a formal method of performing acts of civility; forms of civility prescribed by custom or authority. Ceremony was but devised at first To set a gloss on . . . hollow welcomes . . . But where there is true friendship there needs none. Shak. Al ceremonies are in themselves very sil…

Fixed or stated; regular; determinate. The people go out and gather a certain rate every day. Ex. xvi. 4.

. It was originally discovered by Treub in Casuarina, and has since been found to occur regularly in the families Betulaceæ and Juglandaceæ. Partial chalazogamy is found in Ulmus, the tube here penetrating the nucleus midway between the chalaza and micropyle. --Chal`a*zo*gam"ic (#), a.

become less confident or boastful. [Colloq.] -- To change step, to take a break in the regular succession of steps, in marching or walking, as by bringing the hollow of one foot against the heel of the other, and then stepping off with the foot which is in advance.

To work by the day, without being a regularly hired servant; to do small jobs.

A rectangular iron frame in which pages or columns of type are imposed.

The curd of milk, coagulated usually with rennet, separated from the whey, and pressed into a solid mass in a hoop or mold.

e planks doweled together, for the flooring of a temporary military bridge. Wilhelm. A singular, chess, is sometimes used. "Each chess consists of three planks." Farrow.

The triangular piece of wood attached to the log line. Buffalo chips. See under Buffalo. -- Chip ax, a small ax for chipping timber into shape. -- Chip bonnet, Chip hat, a bonnet or a hat made of Chip. See Chip, n., 3. -- A chip off the old block, a child who resembles either of his parents. [Colloq.] Milton.- Potat…

ed and bent backward, except in Chinese Chippendale, in which the backs are usually rectangular. -- Chip"pen*dal*ism (#), n.

To affect with a sense of strangulation by passion or strong feeling. "I was choked at this word." Swift.

That chokes; producing the feeling of strangulation.