Definition of neanic in English:

neanic

Pronunciation /nɪˈanɪk/

adjective

Zoology
  • Designating the later stages of an animal's growth, in which it acquires adult characteristics.

Origin

Late 19th century; earliest use found in Sydney Buckman (1860–1929), geologist and palaeontologist. From ancient Greek νεανικός youthful from νεανίας young man (from νέος new, young + an element or elements of disputed origin) + -ικός.