Search the Dictionary

A contrivance for removing superfluous ink or coloring matter from a roller. See Doctor, 4. Knight. Ductor roller (Printing), the roller which conveys or supplies ink to another roller. Knight.

The process or art of fixing coloring matters permanently and uniformly in the fibers of wool, cotton, etc.

Any wood from which coloring matter is extracted for dyeing.

The coloring matter within the cells of plants, whether green, red, yellow, or any other color.

The red coloring matter of leaves, fruits, flowers, etc., in distinction from chlorophyll.

A yellowish coloring matter found in plants grown in darkness, which is supposed to be an antecedent condition of chlorophyll. Encyc. Brit.

ite, albuminous mass remaining after washing lean beef or other meat with water until all coloring matter is removed; the fibrous portion of the muscle tissue; flesh fibrin.

A yellow crystalline substance extracted from fustet, and regarded as its essential coloring principle; -- called also fisetic acid.

A preparation of capsicum, burnt sugar, etc., for coloring and giving a fictious strength to liquors. Flash light, or Flashing light, a kind of light shown by lighthouses, produced by the revolution of reflectors, so as to show a flash of light every few seconds, alternating with periods of dimness. Knight. -- Flash i…

pplication of the above. -- French purple, a dyestuff obtained from lichens and used for coloring woolen and silken fabrics, without the aid of mordants. Ure. -- French red rouge. -- French rice, amelcorn. -- French roof (Arch.), a modified form of mansard roof having a nearly flat deck for the upper slope. -- Fre…

species of butterflies belonging to Argynnis and allied genera; -- so called because the coloring of their wings resembles that of the common Fritillaria. See Aphrodite.

The coloring matter of fustet. Ure.

The coloring principle of logwood. It is obtained as a yellow crystalline substance, C16H14O6, with a sweetish taste. Formerly called also hematin.

powder containing iron, prepared by the action of zinc dust as a reducing agent upon the coloring matter of the blood, used medicinally as a hematinic.

Having disagreeable and abrupt contrasts in the coloring or light and shade. Hard cancer, Hard case, etc. See under Cancer, Case, etc. -- Hard clam, or Hard-shelled clam (Zoöl.), the guahog. -- Hard coal, anthracite, as distinguished from bituminous or soft coal. -- Hard and fast. (Naut.) See under Fast. -- Hard fi…

The normal coloring matter of the red blood corpuscles of vertebrate animals. It is composed of hematin and globulin, and is also called hæmatoglobulin. In arterial blood, it is always combined with oxygen, and is then called oxyhemoglobin. It crystallizes under different forms from different animals, and when crystall…

soms are used by the Buddhists in religious ceremonies. The powdered leaves furnish a red coloring matter used in the East to stain the hails and fingers, the manes of horses, etc.

e is indigo blue in color. Called also indigo bunting. -- Indigo blue. (a) The essential coloring material of commercial indigo, from which it is obtained as a dark blue earthy powder, with a reddish luster, C16H10N2O2, which may be crystallized by sublimation. Indigo blue is also made from artificial amido cinnamic a…

The art or method of determining the coloring power of indigo.

A red, gummy, coloring matter, extracted from the colorless juice of the Otaheite chestnut (Inocarpus edulis).