As adjectives the difference between homogenous and nonhomogenous
is that homogenous is (biology) having the same genetic structure; exhibiting homogeny while nonhomogenous is not homogenous; heterogenous.
homogenous
English
Adjective
(
en adjective)
(biology) Having the same genetic structure; exhibiting homogeny
(proscribed)
Usage notes
According to The Oxford Guide to English Usage , 'homogenous' is a frequent error for homogeneous.