Definition of autapomorphic in English:

autapomorphic

adjective

Taxonomy
  • Designating or relating to a novel characteristic that has evolved in only one species or lineage within a taxon.

Origin

1970s; earliest use found in Systematic Zoology. From auto- + apomorphic, after autapomorphy.

Pronunciation

autapomorphic

/ˌɔːtəpəˈmɔːfɪk/