nuclide

/ˈn(j)uːklaɪd/

nuclide

English Noun

Definition

An atomic nucleus specified by its atomic number and atomic mass.

Etymology

From nucleus + -ide. Coined by American chemist Truman Kohman in 1947 in an article in the American Journal of Physics, in which he defines nuclide as "a species of atom characterized by the constitution of its nucleus, in particular by the numbers of protons and neutrons in its nucleus."