pinealectomy

noun

pi·​ne·​al·​ec·​to·​my ˌpī-nē-ə-ˈlek-tə-mē How to pronounce pinealectomy (audio)
pī-ˌnē-
: surgical removal of the pineal gland
pinealectomize
ˌpī-nē-ə-ˈlek-tə-ˌmīz How to pronounce pinealectomy (audio)
pī-ˌnē-
transitive verb

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of pinealectomy was in 1915

Rhymes for pinealectomy

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Browse Nearby Words

pineal
pinealectomy
pineal eye
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Cite this Entry

“Pinealectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pinealectomy. Accessed 29 Apr. 2025.

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Medical Definition

pinealectomy

noun
pi·​ne·​al·​ec·​to·​my ˌpī-nē-ə-ˈlek-tə-mē, pī-ˌnē-, ˌpin-ē- How to pronounce pinealectomy (audio)
plural pinealectomies
: surgical removal of the pineal gland
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