Originating from outside an organism or system. The exogenous factors affecting the economy include international trade policies and global market trends.
Produced outside an organism or body; not generated internally. Vitamin D can be exogenous when obtained from supplements rather than synthesized in the skin.
(Economics, statistics) Of a variable or factor, determined by influences external to the model or system being analyzed. In the regression analysis, government policy was treated as an exogenous variable.