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fenestrated

adjective

fen·​es·​trat·​ed ˈfe-nə-ˌstrā-təd How to pronounce fenestrated (audio)
: having one or more openings or pores
fenestrated blood capillaries

Word History

First Known Use

circa 1852, in the meaning defined above

Time Traveler
The first known use of fenestrated was circa 1852

Browse Nearby Words

Cite this Entry

“Fenestrated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fenestrated. Accessed 30 Nov. 2025.

Medical Definition

fenestrated

adjective
fen·​es·​trat·​ed ˈfen-ə-ˌstrāt-əd How to pronounce fenestrated (audio)
: having one or more openings or pores
fenestrated blood capillaries
a fenestrated catheter
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