ˈ ̷ ̷ˌ ̷ ̷ noun
1. : the process of growing up : upward growth : development
the upgrowth of the atolls during a rising sea level — F.P.Shepard
a tremendous upgrowth of science and practical arts — I.J.Fellner
2. : a result of upward growth or development ; specifically : process 4