invagination

noun
in·​vag·​i·​na·​tion | \ in-ˌva-jə-ˈnā-shən How to pronounce invagination (audio) \

Definition of invagination

1 : an act or process of invaginating specifically : the formation of a gastrula by an infolding of part of the wall of the blastula
2 : an invaginated part

First Known Use of invagination

circa 1658, in the meaning defined at sense 1

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The first known use of invagination was circa 1658

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invagination

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Cite this Entry

“Invagination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invagination. Accessed 5 Aug. 2021.

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More Definitions for invagination

invagination

noun
in·​vag·​i·​na·​tion | \ -ˌvaj-ə-ˈnā-shən How to pronounce invagination (audio) \

Medical Definition of invagination

1 : an act or process of invaginating: as
a : the formation of a gastrula by an infolding of part of the wall of the blastula
b : intestinal intussusception
2 : an invaginated part

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