A and B are isomeric substances

См. также в других словарях:

• isomeric — i so*mer ic ([imac] s[ o]*m[e^]r [i^]k), a. [Iso + Gr. me ros part: cf. F. isom[ e]rique.] (Chem.) Having the same chemical composition and molecular weight; having the same number of atoms of each kind in the molecule; said of chemical compounds …   The Collaborative International Dictionary of English

• metameric — isomeric i so*mer ic ([imac] s[ o]*m[e^]r [i^]k), a. [Iso + Gr. me ros part: cf. F. isom[ e]rique.] (Chem.) Having the same chemical composition and molecular weight; having the same number of atoms of each kind in the molecule; said of chemical… …   The Collaborative International Dictionary of English

• coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction  any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …   Universalium

• hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

• isomerism — /uy som euh riz euhm/, n. 1. Chem. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism), as CH3OCH3 and… …   Universalium

• Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …   Wikipedia

• heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …   Universalium

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• fat — fatless, adj. fatlike, adj. /fat/, adj., fatter, fattest, n., v., fatted, fatting. adj. 1. having too much flabby tissue; corpulent; obese: a fat person. 2. plump; well fed: a good, fat chicken. 3. consisting of or containing fat; greasy; oily:… …   Universalium

• carbohydrate — /kahr boh huy drayt, beuh /, n. any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the… …   Universalium

• Heat capacity — Thermodynamics …   Wikipedia