Ec"dy*sis (?), n.; pl. Ecdyses (#). [NL., fr. Gr. 'e`kdysis a getting out, fr. 'ekdy`ein, to put off; 'ek out + dy`ein to enter.] Biol.

The act of shedding, or casting off, an outer cuticular layer, as in the case of serpents, lobsters, etc.; a coming out; as, the ecdysis of the pupa from its shell; exuviation.


© Webster 1913.

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