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.
Some would go as far as to argue that spatial agglomeration is the phenomenon that ultimately defines and motivates the existence of economic geography as a discipline. The concept of agglomeration economies, held to define the economic advantages gained by agglomerative behavior, is often divided into two types.