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adj. Being an isomer.

adj. Exhibiting isomerism.

adj. Having the same chemical composition and molecular weight; having the same number of atoms of each kind in the molecule; -- said of chemical compounds with known chemical composition. This property used to be called metameric to distinguish it from other forms of isomerism.

In chem., pertaining to or characterized by isomerism.

In zoology, of, pertaining to, or forming an isomere: as, isomeric segments of the limbs.

In petrography, noting phanerocrystalline rocks composed of a single kind of mineral.

adj. of or relating to or exhibiting isomerism

"The chemist is acquainted with numerous groups of substances which we call isomeric compounds, and two substances are said to be isomeric when they not only consist of the same elements united in the same proportions, but also have the same density in the state of vapor, so that according to the molecular theory their molecules must have the same weight."

metameric   

polyatomic    tropolone    diazonium    hypervalent    phospholipid