n. (Anthropol.) One who maintains that the human races are all of one species; -- opposed to polygenist. [ 1913 Webster ]
a. Monogenic. [ 1913 Webster ]
a. 1. (Biol.) Of or pertaining to monogenesis. [ 1913 Webster ]
2. (Zool.) Producing only one kind of germs, or young; developing only in one way. [ 1913 Webster ]