Search the Dictionary

A thick, black, viscous liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it. Coal tar. See in the Vocabulary. -- Mineral tar (Min.), a kind of soft native bitumen. -- Tar board, a strong quality of millboard made f…

A hydrocarbon obtained from coal-tar residues, and remarkable for its intense yellowish green fluorescence.

The floor of a coal mine. Raymond. Thill coupling, a device for connecting the thill of a vehicle to the axle.

A long adit in a coalpit.

trees, the lindens, the type of the family Tiliaceæ, distinguished by the winglike bract coalescent with the peduncle, and by the indehiscent fruit having one or two seeds. There are about twenty species, natives of temperate regions. Many species are planted as ornamental shade trees, and the tough fibrous inner bar…

To kindle; to set on fire. [Obs.] See Tind. "To tine the cloven wood." Dryden. Coals of contention and hot vegneance tind. Spenser.

with benzene, and obtained as a light mobile colorless liquid, by distilling tolu balsam, coal tar, etc.; -- called also methyl benzene, phenyl methane, etc.

at or near one end, or united by an elastic bow, used for handling things, especially hot coals or metals; -- often called a pair of tongs.

A four-wheeled truck running on rails, and used in a mine, as for carrying coal or ore.

Government by three in coalition or association; the term of such a government.

A box or bucket in which coal or ore is sent up a shaft; -- so called by miners. Tub fast, an old mode of treatment for the venereal disease, by sweating in a close place, or tub, and fasting. [Obs.] Shak. -- Tub wheel, a horizontal water wheel, usually in the form of a short cylinder, to the circumference of which sp…

f a smelting furnace where the materials are put in. -- Tunnel kiln, a limekiln in which coal is burned, as distinguished from a flame kiln, in which wood or peat is used. -- Tunnel net, a net with a wide mouth at one end and narrow at the other. -- Tunnel pit, Tunnel shaft, a pit or shaft sunk from the top of the g…

A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.

or joining two or more things into one, or the state of being united or joined; junction; coalition; combination.

To become one; to be cemented or consolidated; to combine, as by adhesion or mixture; to coalesce; to grow together.

A sort of blue or black clay lying near a vein of coal.

The total sales of coal from a colliery. [Eng.]

The superintendent of a coal mine. [Eng.]

A greenish, oily, nitrogenous hydrocarbon, C12H19N7, obtained from coal tar, and probably consisting of a mixture of several metameric compounds which are higher derivatives of the base pyridine.

A dynamite composed of nitroglycerin (30 parts), sodium nitrate (52.5), charcoal (10.5), and sulphur (7), used in mining and blasting.