Search the Dictionary

A yellow, vegetable dyestuff, resembling quercitron.

The stem which supports which supports the eye in decapod Crustacea; eyestalk.

mark iniquities, O Lord, who shall stand But there is forgiveness with thee, that thou mayest be feared. Ps. cxxx. 3, 4.

A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; -- called also rhamnoxanthin.

d. (b) The glossy surface produced by the application 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 ne…

Aniline red; an artificial coal-tar dyestuff, of a metallic green color superficially, resembling cantharides, but when dissolved forming a brilliant dark red. It consists of a hydrochloride or acetate of rosaniline. See Rosaniline.

A red crystalline dyestuff, obtained by heating together pyrogallic and phthalic acids.

ially of a basic hydrate of chromium. -- Methyl green (Chem.), an artificial rosaniline dyestuff, obtained as a green substance having a brilliant yellow luster; -- called also light-green. -- Mineral green. See under Mineral. -- Mountain green. See Green earth, under Green, a. -- Paris green (Chem.), a poisonous g…

A trade name for a dyestuff, consisting essentially of impure fuchsine.

An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange.

The leaves of the henna plant, or a preparation or dyestuff made from them.

Pertaining to yesterday. [Obs.] See Yester, a. Ld. Lytton.

A blue dyestuff obtained from several plants belonging to very different genera and orders; as, the woad, Isatis tinctoria, Indigofera tinctoria, I. Anil, Nereum tinctorium, etc. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as s…

Any one of a series of artificial blue dyestuffs, resembling indigo in appearance, and obtained by the action of phenol on certain nitrogenous derivatives of quinone. Simple indophenol proper has not yet been isolated.

A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black.

Not to be gashed or marked with furrows. [Obs.] As easy mayest thou the intrenchant air With thy keen sword impress, as make me bleed. Shak.

A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc.), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain coloring matters related to orcin and orcein.

A yellow dyestuff obtained from the foliage of the dyer's broom (Reseda luteola).

Designating an orange-red dyestuff obtained from naphthylamine, and called magdala red, naphthalene red, etc.

language of educated people in China. -- Mandarin yellow (Chem.), an artificial aniline dyestuff used for coloring silk and wool, and regarded as a complex derivative of quinoline.