hemimegaloencephaly

noun

A condition where one hemisphere of the brain grows faster or larger than the other, causing neurological impairment.

OriginEnglish megaloencephaly ← Ancient Greek ἡμῐ- (hēmĭ-) ← Proto-Hellenic [Term?] →
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Meanings

nounhemimegaloencephaly (uncountable)
  1. uncountablemedicineA condition where one hemisphere of the brain grows faster or larger than the other, causing neurological impairment.

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sēmi
  3. Proto-Hellenic[Term?]
  4. Ancient Greekἡμῐ- (hēmĭ-)
  5. Englishhemi-
  6. Englishmegaloencephaly
  7. Englishhemimegaloencephaly

From hemi- + megaloencephaly.

Full word history & related roots →
Cite this entry
APA

hemimegaloencephaly. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/hemimegaloencephaly

MLA

“hemimegaloencephaly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hemimegaloencephaly. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “hemimegaloencephaly,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/hemimegaloencephaly.

Source: hemimegaloencephaly on Wiktionary, CC BY-SA 4.0.