Adjective
Having many centres, especially centres of authority or control
(genetics) (of a chromosome, etc) Having multiple central parts
Source: en.wiktionary.orgWhat appears to be multiplicity is not multiplicity at all, because any henad may rightly be considered the center of the polycentric system. Source: Internet
Germany as a federation is a polycentric country and does not have a single economic center. Source: Internet
Xeer is a polycentric legal system where there is no monopolistic institution or agent that determines what the law should be or how it should be interpreted. Source: Internet