IPA: /ˌɪntərˈnjuːklɪr/
KK: /ɪntərˈnjuːklɪr/
Referring to something that is situated or happening between atomic nuclei.
The internuclear forces play a crucial role in the stability of molecules.
Internuclear → It is formed from "inter-" (meaning between) and "nucleus" (from Latin "nucleus", meaning kernel or core). The word "internuclear" refers to something that exists or occurs between nuclei.
Think of things that are happening "between" ('inter-') the "cores" ('nucleus') of atoms — that's what internuclear means.