Search the Dictionary

A plant of the Rubia (R. tinctorum). The root is much used in dyeing red, and formerly was used in medicine. It is cultivated in France and Holland. See Rubiaceous.

A name proposed for any plant of the same natural order (Rubiaceæ) as the madder.

The madder of the Levant. Brande & C.

A coloring principle, C14H6O2(OH)2, found in madder, and now produced artificially from anthracene. It produces the Turkish reds.

The name of several plants of the genera Spermacoce and Diodia, of the Madder family.

rom the curd, and to press the curd into a mold. -- Cheese rennet (Bot.), a plant of the Madder family (Golium verum, or yellow bedstraw), sometimes used to coagulate milk. The roots are used as a substitute for madder. -- Cheese vat, a vat or tub in which the curd is formed and cut or broken, in cheese making.…

A ferment extracted from madder root, possessing the power of inducing alcoholic fermentation in solutions of sugar.

An extract of madder by sulphuric acid. It consists essentially of alizarin.

sually by precipitation, with a metallic oxide or earth, esp. with aluminium hydrate; as, madder lake; Florentine lake; yellow lake, etc.

Having the color called maroon. See 4th Maroon. Maroon lake, lake prepared from madder, and distinguished for its transparency and the depth and durability of its color.

See Madder.

An inferior kind of madder prepared from the smaller roots or the peelings and refuse of the larger.

See Indian madder, under Madder.

ed coloring substance resembling alizarin, found in the root of an East Indian species of madder (Rubia munjista).

ol, and disposal of some person or party; patented; as, a patent right; patent medicines. Madder . . . in King Charles the First's time, was made a patent commodity. Mortimer.

, the double chlorides of (stannic) tin and ammonium, formerly much used as a mordant for madder and cochineal. -- Pink saucer, a small saucer, the inner surface of which is covered with a pink pigment.

A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.

Pertaining to, or designating, an acid extracted from madder root. It is a yellow crystalline substance from which alizarin is obtained.

Of or pertaining to a very large natural order of plants (Rubiaceæ) named after the madder (Rubia tinctoria), and including about three hundred and seventy genera and over four thousand species. Among them are the coffee tree, the trees yielding peruvian bark and quinine, the madder, the quaker ladies, and the trees be…

A substance found in madder root, and probably identical with ruberythrinic acid.