adjective see: -gen Date: 1830 produced by growth from superficial tissue , 2. caused by factors (as food or a traumatic factor) or an agent (as a disease-producing organism) from outside the organism or system , introduced from or produced outside the organism or system, ~ly adverb
EXOGENOUS
Meaning of EXOGENOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012