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cleidoic

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WordReference Random House Unabridged Dictionary of American English © 2026

clei•do•ic adj. [Embryol.]

Developmental Biologyisolated from the environment, as certain eggs enclosed within a shell or membrane.

Greek kleido(ûn) to lock up (verb, verbal derivative of kleís (genitive kleidós) bolt, key) + -ic
1930–35

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