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Ortho- :: Ortho- () Connection with, or affinity to, one variety of isomerism, characteristic of the benzene compounds; -- contrasted with meta- or para-; as, the ortho position; hence, designating any substance showing such isomerism; as, an ortho compound..

Hyoscyamine :: Hyoscyamine (n.) An alkaloid found in henbane (Hyoscyamus niger), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc..

Indirubin :: Indirubin (n.) A substance isomeric with, and resembling, indigo blue, and accompanying it as a side product, in its artificial production..

Indoxyl :: Indoxyl (n.) A nitrogenous substance, C8H7NO, isomeric with oxindol, obtained as an oily liquid..

Quinizarin :: Quinizarin () A yellow crystalline substance produced artificially. It is isomeric with alizarin.

Sorbin :: Sorbin (n.) 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..

Paraconic :: Paraconic (a.) Pertaining to, or designating, an organic acid obtained as a deliquescent white crystalline substance, and isomeric with itaconic, citraconic, and mesaconic acids..

Isuret :: Isuret (n.) An artificial nitrogenous base, isomeric with urea, and forming a white crystalline substance; -- called also isuretine..

Pinite :: Pinite (n.) A sweet white crystalline substance extracted from the gum of a species of pine (Pinus Lambertina). It is isomeric with, and resembles, quercite..

Inulin :: Inulin (n.) A substance of very wide occurrence. It is found dissolved in the sap of the roots and rhizomes of many composite and other plants, as Inula, Helianthus, Campanula, etc., and is extracted by solution as a tasteless, white, semicrystalline substance, resembling starch, with which it is isomeric. It is intermediate in nature between starch and sugar. Called also dahlin, helenin, alantin, etc..

Isouric :: Isouric (a.) Pertaining to, or designating, a complex nitrogenous acid, isomeric with uric acid..

Isonicotinic :: Isonicotinic (a.) Pertaining to, or designating, an acid isomeric with nicotinic acid..

Terpene :: Terpene (n.) 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..

Galactose :: Galactose (n.) A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper)..

Leucophyll :: Leucophyll (n.) A colorless substance isomeric with chlorophyll, contained in parts of plants capable of becoming green..

Inactive :: Inactive (a.) Not active; inert; esp., not exhibiting any action or activity on polarized light; optically neutral; -- said of isomeric forms of certain substances, in distinction from other forms which are optically active; as, racemic acid is an inactive tartaric acid..

Synapta :: Synanthrose (n.) A variety of sugar, isomeric with sucrose, found in the tubers of the Jerusalem artichoke (Helianthus tuberosus), in the dahlia, and other Compositae..

Tetramethylene :: Tetramethylene (n.) Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene..

Isomerism :: Isomerism (n.) The state, quality, or relation, of two or more isomeric substances..

Elaidin :: Elaidin (n.) A solid isomeric modification of olein.

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