[ ek-duh-sis ]
/ ˈɛk də sɪs /

noun, plural ec·dy·ses [ek-duh-seez] /ˈɛk dəˌsiz/.

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

ec·dys·i·al [ek-diz-ee-uh l, -dizh-, -dizh-uh l] /ɛkˈdɪz i əl, -ˈdɪʒ-, -ˈdɪʒ əl/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ecdysis

British Dictionary definitions for ecdysis


/ (ˈɛkdɪsɪs) /

noun plural -ses (-ˌsiːz)

the periodic shedding of the cuticle in insects and other arthropods or the outer epidermal layer in reptilesSee also ecdysone

Derived Forms

ecdysial, adjective

Word Origin for ecdysis

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012