(mathematics) An instance of an isotopic state.

plural of isotopism

plural of isotope

(physics) Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. Thus, isotopes have the same atomic number but a different mass number.

(topology, transitive) To define or demonstrate an isotopy of (one map with another).

(chemistry, physics) of, or relating to isotopes

(mathematics) Of two presemifields 𝕊 and 𝕊' of characteristic p, when there exists three linear maps g_1, g_2, and g_3 from 𝕊 to 𝕊' such that g_1(x·y)=g_2(x)∘g_3(y) for all x,y∈𝕊.

With regard to isotopes

The study of isotopes, especially stable isotopes.

simple past tense and past participle of isotope