Nuclide meaning
Frequency:
A type of atom specified by its atomic number, atomic mass, and energy state, such as carbon-14.
noun
A specific type of atom as characterized by its nuclear properties, such as the number of neutrons and protons and the energy state of its nucleus.
noun
An atomic nucleus identified by its atomic element and its mass number. For example, a carbon-14 nuclide is the nucleus of a carbon atom, which has six protons, with mass number 14 (thus having eight neutrons).