isotopically modified
Describes a compound that has a macroscopic composition such that the isotopic ratio of @N04257@ for at least one element deviates measurably from that occurring in nature. It is either an @I03338@ compound or an @I03336@ compound.
Blue Book, p. 514 [Terms] [Book]
PAC, 1981, 53, 1887. (Nomenclature of inorganic chemistry: II.1 - Isotopically modified compounds) on page 1889 [Terms] [Paper]