Definition of isomeric

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Isomeric (a.) Having the same percentage composition; -- said of two or more different substances which contain the same ingredients in the same proportions by weight, often used with with. Specif.: (a) Polymeric; i. e., having the same elements united in the same proportion by weight, but with different molecular weights; as, acetylene and benzine are isomeric (polymeric) with each other in this sense. See Polymeric. (b) Metameric; i. e., having the same elements united in the same proportions

Lern More About Isomeric

Pyrethrin :: Pyrethrin (n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor..
Hyoscine :: Hyoscine (n.) An alkaloid found with hyoscyamine (with which it is also isomeric) in henbane, and extracted as a white, amorphous, semisolid substance..
Indoxyl :: Indoxyl (n.) A nitrogenous substance, C8H7NO, isomeric with oxindol, obtained as an oily liquid..
Is- :: Is- () Applied to compounds of certain isomeric series in whose structure one carbon atom, at least, is connected with three other carbon atoms; -- contrasted with neo- and normal; as in isoparaffine; isopentane..
Mycose :: Mycose (n.) A variety of sugar, isomeric with sucrose and obtained from certain lichens and fungi. Called also trehalose..
Sorbite :: Sorbite (n.) 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..
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..
Hydracrylic :: Hydracrylic (a.) Pertaining to, or designating, an isomeric variety of lastic acid that breaks down into acrylic acid and water..
Trimethylene :: Trimethylene (n.) 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..
Quinicine :: Quinicine (n.) An uncrystallizable alkaloid obtained by the action of heat from quinine, with which it is isomeric..
Tetramethylene :: Tetramethylene (n.) Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene..
Decane :: Decane (n.) A liquid hydrocarbon, C10H22, of the paraffin series, including several isomeric modifications..
Isocyanic :: Isocyanic (a.) Designating an acid isomeric with cyanic acid.
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..
Racemic :: Racemic (a.) Pertaining to, or designating, an acid 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..
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..
Santal :: Santal (n.) A colorless crystalline substance, isomeric with piperonal, but having weak acid properties. It is extracted from sandalwood..
Cellulose :: Cellulose (n.) The substance which constitutes the essential part of the solid framework of plants, of ordinary wood, linen, paper, etc. It is also found to a slight extent in certain animals, as the tunicates. It is a carbohydrate, (C6H10O5)n, isomeric with starch, and is convertible into starches and sugars by the action of heat and acids. When pure, it is a white amorphous mass. See Starch, Granulose, Lignin..
Thymol :: Thymol (n.) 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..
Metameric :: Metameric (a.) Having the same elements united in the same proportion by weight, and with the same molecular weight, but possessing a different structure and different properties; as, methyl ether and ethyl alcohol are metameric compounds. See Isomeric..
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