adj.
Pronunciation: ˌ nü-kl ē - ə - ' fi-lik, ˌ nyü-
Function: adjective
Date: 1933
1 of an atom, ion, or molecule : having an affinity for atomic nuclei : being an electron donor
2 : involving a nucleophilic species <a nucleophilic reaction> ― compare ELECTROPHILIC
– nu · cle · o · phil · i · cal · ly \ -li-k( ə -)l ē \ adverb
– nu · cle · o · phi · lic · i · ty \ -kl ē - ō -fi- ' li-s ə -t ē \ noun