0 relating to microcephaly (= the state of having a head that is smaller than normal):
1 a person who suffers from microcephaly (= the state of having a head that is smaller than normal):
When a family with several microcephalic children was referred to him, Walsh became interested in finding out what causes the malady.
Microcephalics do not necessarily have subnormal memories.
Three of the children were microcephalic (head circumference below 2.5th centile).
Not only has the still-birth rate not dropped, but the number of microcephalics—and we were warned about this in the reports concerning nuclear radiation—has increased.
She is microcephalic, which means her head will not grow to the normal size.