S0847450 (sŭb-no͞o′klē-ər, -nyo͞o′-)adj. Of or located within the nucleus of an atom; smaller than the nucleus.
subnuclear
(sʌbˈnjuːklɪə) adj1. (General Physics) of or relating to particles within the nucleus of an atom2. (General Physics) of a lesser level of organization than the nucleus of an atom