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The prtion of a mold which shapes the interior of a cylinder, tube, or other hollow casting, or which makes a hole in or through a casting; a part of the mold, made separate from and inserted in it, for shaping some part of the casting, the form of which is not determined by that of the pattern.

Girt about the spire with a row of tubercles or spines; -- said of spiral shells.

An umbelliferous plant (Peucedanum Cous) with edible tuberous roots, found in Oregon. [Written also cous.]

been added. -- Cream gauge, an instrument to test milk, being usually a graduated glass tube in which the milk is placed for the cream to rise. -- Cream nut, the Brazil nut. -- Cream of lime. (a) A scum of calcium carbonate which forms on a solution of milk of lime from the carbon dioxide of the air. (b) A thick cr…

A tool for making creases or beads, as in sheet iron, or for rounding small tubes.

A small tube, usually curved, applied to a trumpet, horn, etc., to change its pitch or key.

The dark space within the negative-pole glow at the cathode of a vacuum tube, observed only when the pressure is low enough to give a striated discharge; -- called also Crookes layer.

ater by its own evaporation. The ordinary form consist of two glass bulbs, connected by a tube of the same material, and containing only a quantity of water and its vapor, devoid of air. The water is in one of the bulbs, and freezes when the other is cooled below 32º Fahr.

A simple gland, glandular cavity, or tube; a follicle; as, the cryps of Lieberk.

A fruit like that of the rose, consisting of a cup formed of the calyx tube and receptacle, and containing achenes.

A one-seeded, one-called, indehiscent fruit; an achene with the calyx tube adherent.

A genus of plants (Hemerocallis) closely resembling true lilies, but having tuberous rootstocks instead of bulbs. The common species have long narrow leaves and either yellow or tawny-orange flowers.

; a sinking below its true place; a cavity or hollow; as, roughness consists in little protuberances and depressions.

exploded by a fuse; -- used to explode gun cotton in blasting operations. -- Detonating tube, a strong tube of glass, usually graduated, closed at one end, and furnished with two wires passing through its sides at opposite points, and nearly meeting, for the purpose of exploding gaseous mixtures by an electric spark,…

ion of radiant heat; -- called also, according to the particular shape, Dewar bulb, Dewar tube, etc.

tance in the narrower part of the converging cone of rays, usually near the middle of the tube.

The dorsal transverse, or tubercular, process of a vertebra. See Vertebra.

the component screws. -- Differential thermometer, a thermometer usually with a U-shaped tube terminating in two air bulbs, and containing a colored liquid, used for indicating the difference between the temperatures to which the two bulbs are exposed, by the change of position of the colored fluid, in consequence of…

white crystalline substance, C6H5.C6H5, obtained by leading benzene through a heated iron tube. It consists of two benzene or phenyl radicals united.

A remedy supposed capable of dissolving concretions in the body, such as calculi, tubercles, etc.