Definition of megalencephaly in English:

megalencephaly

(also megaloencephaly)

noun

Medicine
  • Enlargement of all or part of the brain (and usually the head), occurring as a benign inherited trait or as a manifestation of various metabolic or developmental abnormalities.

Origin

Early 20th century. From megalo- + -encephaly; apparently coined by F. W. Andrewes.

Pronunciation

megalencephaly

/ˌmɛɡəlɛnˈsɛfəli//ˌmɛɡəlɛnˈsɛf(ə)li//ˌmɛɡəlɛnˈkɛfəli/