[syn: heterogenous, heterogeneous]
The Collaborative International Dictionary of English v.0.48:
Heterogenous \Het`er*og"e*nous\, a. (Biol.)
   Of or pertaining to heterogenesis; heterogenetic.
   [1913 Webster]
WordNet (r) 3.0 (2006):
heterogenous
    adj 1: consisting of elements that are not of the same kind or
           nature; "the population of the United States is vast and
           heterogeneous" [syn: heterogeneous, heterogenous]
           [ant: homogeneous, homogenous]
    2: originating outside the body [syn: heterogenous,
       heterogeneous] [ant: autogenic, autogenous]
The Free On-line Dictionary of Computing (30 December 2018):
heterogenous
    It's spelled heterogeneous.
   (1999-06-10)