n.
Pronunciation: ˌ nü-kl ē - ō - ' sin(t)-th ə -s ə s, ˌ nyü-
Function: noun
Etymology: New Latin
Date: 1960
: the production of a chemical element from simpler nuclei (as of hydrogen) especially in a star
– nu · cle · o · syn · thet · ic \ -sin- ' the-tik \ adjective