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A dry, brown, astringent extract, obtained by decoction and evaporation from the Acacia catechu, and several other plants growing in India. It contains a large portion of tannin or tannic acid, and is used in medicine and in the arts. It is also known by the names terra japonica, cutch, gambier, etc. Ure. Dunglison.…

erry), valued for its timber; P. Virginiana (choke cherry), an American shrub which bears astringent fruit; P. avium and P. Padus, European trees (bird cherry).

Ægean Sea. Chian earth, a dense, compact kind of earth, from Chios, used anciently as an astringent and a cosmetic. -- Chian turpentine, a fragrant, almost transparent turpentine, obtained from the Pistacia Terebinthus.

A kind of pear that has a rough, astringent taste, and is swallowed with difficulty, or which contracts the mucous membrane of the mouth.

The astringent fruit of a species of wild cherry (Prunus Virginiana); also, the bush or tree which bears such fruit.

preparing the plate for taking a picture. -- Styptic collodion, collodion containing an astringent, as tannin.

ound in colloid degeneration and colloid cancer. Styptic colloid (Med.), a preparation of astringent and antiseptic substances with some colloid material, as collodion, for ready use.

Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate.

A powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance. It is used to produce contraction of the uterus.

n American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic.

and produced artificially. It is a white, crystalline substance, C6H2(HO)3.CO2H, with an astringent taste, and is a strong reducing agent, as employed in photography. It is usually prepared from tannin, and both give a dark color with iron salts, forming tannate and gallate of iron, which are the essential ingredients…

The inspissated juice of a plant (Uncaria Gambir) growing in Malacca. It is a powerful astringent, and, under the name of Terra Japonica, is used for chewing with the Areca nut, and is exported for tanning and dyeing.

ration from the seeds of Paullinia sorbilis, a woody climber of Brazil, used in making an astringent drink, and also in the cure of headache.

ava. The fruit or berry is shaped like a pomegranate, but is much smaller. It is somewhat astringent, but makes a delicious jelly.

A very astringent shrub (Spiræa tomentosa), common in pastures. The Potentilla fruticosa in also called by this name.

An astringent inspissated juice obtained from the fruit of a plant (Cytinus hypocistis), growing from the roots of the Cistus, a small European shrub.

A myrtaceous tree of the West Indies and tropical America (Calyptranthes Jambolana), with astringent bark, used for dyeing. It bears an edible fruit.

e dark red dried juice of certain plants, used variously in tanning, in dyeing, and as an astringent in medicine.

ct of loosening or opening the intestines, and relieving from constipation; -- opposed to astringent. -- n. (Med.)

luminous earth of a grayish yellow color; sphragide; -- formerly sold as medicine, having astringent properties. -- Lemnian reddle, a reddle of firm consistence and deep red color; -- used by artificers in coloring.