As an adjective heterotrophic is
being a heterotroph.
austrophic
Not English
Austrophic has no English definition. It may be misspelled.
English words similar to 'austrophic':
astrometric,
astronomic,
astronautic,
astrocytic,
azeotropic,
astrophic,
auxotrophic,
acidergic,
astraphobic,
astrologic,
astromantic,
astrophilic