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adj.
characterized by or constituting a form of government in which power is held by one central authority; "a unitary as opposed to a federal form of government"
adj.
of or pertaining to or involving the use of units; "a unitary method was applied"; "established a unitary distance on which to base subsequent calculations"
adj.
characterized by or constituting a form of government in which power is divided between one central and several regional authorities; "a federal system like that of the United States"; "federal governments often evolved out of confederations"