Definition of macrocephaly in US English:

macrocephaly

noun

Anatomy
  • See macrocephalic

    • ‘Bannayan-Riley-Ruvalcaba Syndrome traditionally has been diagnosed based on clinical findings of macrocephaly (large head), lipomas, hemangiomas, and penile freckling.’
    • ‘‘It was known that humans who have inherited deletions or mutations of the PTEN gene often showed macrocephaly, or abnormally large brains,’ says Wu.’
    • ‘ACH is characterized by disproportionate short stature, where the limbs are shorter than the trunk, and macrocephaly (excessive head size).’
    • ‘Measurement of the head circumference is vital to detect associated microcephaly or macrocephaly (caused by hydrocephalus).’
    • ‘Clinical findings during early childhood may include macrocephaly and frontal bossing (unusually prominent forehead).’

Pronunciation

macrocephaly

/ˌmakrōˈsefəlē//ˌmækroʊˈsɛfəli/