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invagination

Pronunciation: /ɪnˌvadʒɪˈneɪʃ(ə)n/
Definition of invagination

noun

[mass noun] chiefly Anatomy & Biology
  • the action or process of being turned inside out or folded back on itself to form a cavity or pouch.
  • [count noun] a cavity or pouch so formed.

Origin:

mid 17th century: from modern Latin invaginatio(n-), based on in-2 'into' + Latin vagina 'sheath'

invagination in other Oxford dictionaries

Definition of invagination in the US English dictionary

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