IPA: /njuːˈklɪdɪk/
KK: /nʊˈklaɪdɪk/
Related to a specific type of atomic nucleus or nuclide.
The nuclidic properties of the element were studied in detail.
Nuclidic is derived from "nuclide" (from the Greek "nukleos", meaning nucleus, and "eidos", meaning form or type) combined with the suffix "-ic" (meaning pertaining to). The term "nuclidic" refers to something that is related to or characteristic of nuclides, which are distinct types of atomic nuclei.
Think of 'nucleus' ('nukleos') as the core of an atom and 'type' ('eidos') to remember that 'nuclidic' pertains to specific forms of atomic nuclei.