Isomer :: Isomer (n.) A body or compound which is isomeric with another body or compound; a member of an isomeric series.
Isomeric :: 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
Isometrical :: Isometrical (a.) Pertaining to, or characterized by, equality of measure..
Isometrical :: Isometrical (a.) Noting, or conforming to, that system of crystallization in which the three axes are of equal length and at right angles to each other; monometric; regular; cubic. Cf. Crystallization..
Isomorph :: Isomorph (n.) A substance which is similar to another in crystalline form and composition.
Isomorphism :: Isomorphism (n.) A similarity of crystalline form between substances of similar composition, as between the sulphates of barium (BaSO4) and strontium (SrSO4). It is sometimes extended to include similarity of form between substances of unlike composition, which is more properly called homoeomorphism..
Isomorphous :: Isomorphous (a.) Having the quality of isomorphism.