"having several centers or nuclear points," 1826, from poly- + -centric.
Entries linking to polycentric
poly-
word-forming element meaning "many, much, multi-, one or more," from Greek polys "much" (plural polloi), from PIE root *pele- (1) "to fill," with derivatives referring to multitudinousness or abundance. Equivalent to Latin multi-, it is properly used in compounds only with words of Greek origin. In chemical names, usually indicating a compound with a large number of atoms or molecules of the same kind (such as polymer).
-centric
word-forming element meaning "having a center (of a certain kind); centered on," from Latinized form of Greek kentrikos "pertaining to a center," from kentron (see center (n.)).