pronuclear


pro·nu·cle·us

P0596200 (prō-no͞o′klē-əs, -nyo͞o′-)n. pl. pro·nu·cle·i (-klē-ī′) The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.
pro·nu′cle·ar adj.

pronuclear

(ˌprəʊˈnjuːklɪə) adj (Government, Politics & Diplomacy) in favour of or supporting the use of nuclear power ˌproˈnuclearist n, adj