hemispherectomy
noun
hemispherectomy is a noun meaning “Surgical removal of a hemisphere of the brain, usually performed to control otherwise uncontrollable epilepsy” (English Wiktionary, September 2026). It is spelled H-E-M-I-S-P-H-E-R-E-C-T-O-M-Y, and it appears about once in every 50 million words in written English (wordfreq, 2021 data). The plural of hemispherectomy is hemispherectomies.
What does hemispherectomy mean?
noun
- 1
Surgical removal of a hemisphere of the brain, usually performed to control otherwise uncontrollable epilepsy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of hemispherectomy
- hemispherectomies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is hemispherectomy?
Hemispherectomy appears about once in every 50 million words in written English, the 220,118th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Hemispherectomy in Spanish, French, German and Portuguese
In the sense surgical removal of a brain hemisphere:
| Language | Words |
|---|---|
| French | hémisphérectomie |
| German | Hemisphärektomie |
| Portuguese | hemisferectomia |
| Spanish | hemisferectomía |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does hemispherectomy come from?
From hemisphere + -ectomy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).