vacuolation

noun

vac·​u·​o·​la·​tion ˌva-kyə-(ˌ)wō-ˈlā-shən How to pronounce vacuolation (audio)
: the development or formation of vacuoles

Word History

Etymology

vacuole + -ation

First Known Use

1858, in the meaning defined above

Time Traveler
The first known use of vacuolation was in 1858

Browse Nearby Words

Cite this Entry

“Vacuolation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vacuolation. Accessed 14 Feb. 2026.

Medical Definition

vacuolation

noun
vac·​u·​o·​la·​tion ˌvak-yə-(ˌ)wō-ˈlā-shən How to pronounce vacuolation (audio)
: the development or formation of vacuoles
neuronal vacuolation
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