nucle-, nucleo-, nuc- +
(Latin: nut, kernel of a nut; stone of a fruit; central part of a cell)
nucleomitaphobia, nucleomitophobia
An extreme fear of death by nuclear weapons.
nucleophile
A chemical compound or group that is attracted to nuclei and tends to donate or share electrons.
oligonucleotides
A compound made up of the condensation of a small number of nucleotides.
perinuclear
Near or around a nucleus.
thermonuclear
1. Pertaining to nuclear reactions brought about by nuclear fusion; (e.g., the fusion of hydrogen to helium at temperatures of over 100,000,000°C).
2. The reaction in the "hydrogen bomb".