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[ek-duh-sis] /ˈɛk də sɪs/
noun, plural ecdyses
[ek-duh-seez] /ˈɛk dəˌsiz/ (Show IPA)
the shedding or casting off of an outer coat or integument by snakes, crustaceans, etc.
Origin of ecdysis
1850-55; < New Latin < Greek ékdysis a getting out, equivalent to ek- ec- + dý(ein) to enter + -sis -sis
Related forms
[ek-diz-ee-uh l, -dizh-, -dizh-uh l] /ɛkˈdɪz i əl, -ˈdɪʒ-, -ˈdɪʒ əl/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for ecdysis


noun (pl) -ses (-ˌsiːz)
the periodic shedding of the cuticle in insects and other arthropods or the outer epidermal layer in reptiles See also ecdysone
Derived Forms
ecdysial, adjective
Word Origin
C19: New Latin, from Greek ekdusis, from ekduein to strip, from ek-ex-1 + duein to put on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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