to reject as having no authority or binding force: to repudiate a claim. to cast off or disown: to repudiate a son. to reject with disapproval or condemnation: to repudiate a new doctrine. to reject with denial: to repudiate a charge as untrue. to refuse to acknowledge and pay (a debt), as a state, municipality, etc.
A census metropolitan area (CMA) or a census agglomeration (CA) can have more than one core. The boundaries and population data for the cores that are used to delineate CMAs and CAs are taken from the previous census.
In fact, the clustering of automobile manufacturing is a prime example of agglomeration, a powerful concept in economics that has a large influence both on the way urban areas develop and where companies choose to locate.