nanocephalic

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

having an abnormally small head and underdeveloped brain
- a nanocephalic dwarf
• Syn:
microcephalic, microcephalous
• Pertains to noun:
nanocephaly, microcephaly (for: microcephalous), microcephaly (for: microcephalic)
• Derivationally related forms:
nanocephaly, microcephaly (for: microcephalous), microcephaly (for: microcephalic)