hydromicrocephaly

noun
hy·​dro·​micro·​ceph·​a·​ly | \ -ˌmī-krō-ˈsef-ə-lē, British also -ˈkef- How to pronounce hydromicrocephaly (audio) \
plural hydromicrocephalies

Medical Definition of hydromicrocephaly

: microcephaly with an increase in cerebrospinal fluid