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n uncrystallizable alkaloid obtained by the action of heat from quinine, with which it is isomeric.

An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge. [Written also chinidine.]

A yellow crystalline substance produced artificially. It is isomeric with alizarin.

d found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids. Gregory.

Pertaining to, or designating, an isomeric modification of ricinoleic acid obtained as a white crystalline solid.

regarded as the lactone of saccharinic acid; -- so called because formerly supposed to be isomeric with cane sugar (saccharose).

A colorless crystalline substance, isomeric with piperonal, but having weak acid properties. It is extracted from sandalwood.

An unfermentable sugar, isomeric with glucose, found in the ripe berries of the rowan tree, or sorb, and extracted as a sweet white crystalline substance; -- called also mountain-ash sugar.

A sugarlike substance, isomeric with mannite and dulcite, found with sorbin in the ripe berries of the sorb, and extracted as a sirup or a white crystalline substance. -- Sor*bit"ic, a.

of fruit. Called also saccharose, cane sugar, etc. By extension, any one of the class of isomeric substances (as lactose, maltose, etc.) of which sucrose proper is the type.

Acorn sugar. See Quercite. -- Cane sugar, sugar made from the sugar cane; sucrose, or an isomeric sugar. See Sucrose. -- Diabetes, or Diabetic, sugar (Med. Chem.), a variety of sugar (probably grape sugar or dextrose) excreted in the urine in diabetes mellitus. -- Fruit sugar. See under Fruit, and Fructose. -- Grap…

A variety of sugar, isomeric with sucrose, found in the tubers of the Jerusalem artichoke (Helianthus tuberosus), in the dahlia, and other Compositæ.

lemon juice. Called also dextro-tartaric acid. (b) By extension, any one of the series of isomeric acids (racemic acid, levotartaric acid, inactive tartaric acid) of which tartaric acid proper is the type.

Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.

Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene.

replaced by nitrogen atoms; also, any of various derivatives of the same. There are three isomeric varieties.

A phenol derivative of cymene, C10H13.OH, isomeric with carvacrol, found in oil of thyme, and extracted as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties; -- called also hydroxy cymene.

Of, pertaining to, or designating, any one of three isomeric crystalline acids, C9H10ON.CO2H, which are toluyl derivatives of glycocoll.

A gaseous hydrocarbon, C3H6, isomeric with propylene and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons.

A carbohydrate isomeric with dextrin, obtained from quitch grass (Agropyrum, formerly Triticum, repens) as a white amorphous substance.