adj.
Pronunciation: ek- ' sä-j ə -n ə s
Function: adjective
Etymology: French exogène exogenous, from exo- + -gène (fr. Greek -gen ē s born) ― more at -GEN
Date: 1830
1 : produced by growth from superficial tissue < exogenous roots produced by leaves>
2 a : caused by factors (as food or a traumatic factor) or an agent (as a disease-producing organism) from outside the organism or system < exogenous obesity> < exogenous psychic depression> < exogenous market fluctuations> b : introduced from or produced outside the organism or system specifically : not synthesized within the organism or system
– ex · og · e · nous · ly adverb