Definition of "multiregional" [multiregional]

• Of or pertaining to more than one region. (adjective)
• An organisation that operates across more than one region. (noun)

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• "Another theory of the origin of modern humans, known as the multiregional hypothesis, holds that earlier forms of humans originated in Africa and then slowly developed their anatomically modern form in every area of the Old World."
• "The finding splits the difference in a long-running scholarly debate over whether people are solely African in origin, or spring from "multiregional" interbreeding of early human species."
• "Proponents of a "multiregional" hypothesis held that H. erectus populations evolved into modern humans in many regions, and that these groups later bred with each other and with groups that emigrated from Africa."