Definition of neencephalic in English:

neencephalic

(also neëncephalic, neoencephalic)

Pronunciation /ˌnɪɛnsɪˈfalɪk/ /ˌnɪɛŋkɛˈfalɪk/

adjective

rare Psychology
  • Of or relating to the neencephalon.

Origin

Early 20th century. From neencephalon + -ic.