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substance, C2H2(OH)2.(CO2H)2, having a strong pure acid taste. It is used in medicine, in dyeing, calico printing, photography, etc., and also as a substitute for lemon juice. Called also dextro-tartaric acid. (b) By extension, any one of the series of isomeric acids (racemic acid, levotartaric acid, inactive tartaric…

An artificial dyestuff obtained as an orange-yellow powder, and regarded as a phenyl hydrazine derivative of tartaric and sulphonic acids.

Clasping; climbing as a tendril. [R.] Dyer.

An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; -- called also phenylene violet.

A red or violet dyestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.

Set with thorns. Dyer.

quor of Libavius, under Fuming. -- Grain tin. (Metal.) See under Grain. -- Salt of tin (Dyeing), stannous chloride, especially so called when used as a mordant. -- Stream tin. See under Stream. -- Tin cry (Chem.), the peculiar creaking noise made when a bar of tin is bent. It is produced by the grating of the cryst…

hing foreign, infused into another substance or mixture, or added to it; tincture; color; dye; hue; shade; taste. His notions, too, respecting the government of the state, took a tinge from his notions respecting the government of the church. Macaulay.

of a single broad piece of woolen cloth of a shape approaching a semicircle. It was of undyed wool, except the border of the toga prætexta. Toga prætexta. Etym: [L.], a toga with a broad purple border, worn by children of both sexes, by magistrates, and by persons engaged in sacred rites. -- Toga virilis Etym: [L.],…

h an article is called among traders, etc.; as, tin spirits is a common trade name in the dyeing industry for various solutions of tin salts.

A name given to any one of a series of orange-red dyestuffs produced artificially from certain complex sulphonic acid derivatives of azo and diazo hydrocarbons of the aromatic series; -- so called because of the general resemblance to the shades of nasturtium (Tropæolum).

the fiber of which has been prepared previously with oil or other fatty matter. (b) Cloth dyed with this red. -- Turkey sponge. (Zoöl.) See Toilet sponge, under Sponge. -- Turkey stone, a kind of oilstone from Turkey; novaculite; -- called also Turkey oilstone.

and has a slight aromatic smell, and a bitterish, slightly acrid taste. It is used for a dye, a medicine, a condiment, and a chemical test.

ferrous and ferric iron, a dark blue amorphous substance having a coppery luster, used in dyeing, calico printing, etc. Cf. Prussian blue, under Prussian.

A purple dye obtained from the plant turnsole. See def. 1 (d).

fabric for men's wear, made wholly of wool except in some inferior kinds, the wool being dyed, usually in two colors, before weaving.

Being of the color called Tyrian purple. The bright-eyed perch with fins of Tyrian dye. Pope. Tyrian purple, or Tyrian dye, a celebrated purple dye prepared in ancient Tyre from several mollusks, especially Ianthina, Murex, and Purpura. See the Note under Purple, n., 1, and Purple of mollusca, under Purple, n.…

umach (Bot.), a North American shrub of the genus Rhus (Rhus glabra), used in tanning and dyeing.

An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.

found in Eastern Europe. It contains abundance of tannin, and is much used by tanners and dyers.