1. An abnormally small head and underdeveloped brain
   - microcephalus, nanocephaly

Derived forms: microcephalies

See also: microcephalic

Type of: abnormalcy [US], abnormality

Encyclopedia: Microcephaly

• callback
• caller
• caller ID
• caller-out
• caller-up
• calliandra
• Callicebus
• calligraph
• calligrapher
• calligraphic
• Annelida
• annelidan
• annex
• annexa
• annexal
• annexation
• annexational
• annexationist
• annexe
• annexure
• Annie Oakley
• Anniellidae
• annihilate
• annihilated
• annihilating