polygenism /pəˈlɪd͡ʒənɪzəm/ noun1 •The belief that humans descended from more than one ancestral pair.2003: Such pigmental indelibility spelt polygenism for some: blacks formed a distinct species altogether, a separate creation. — Roy Porter, Flesh in the Age of Reason (Penguin 2004, p. 248) — 2003
