Periodic shedding of the cuticle in arthropods or the outer skin in reptiles
(Noun)
Synonyms:
  1. ecdysis
  2. deplumation
  3. molting
  4. moult
  5. moulting
To cast off by a natural process
(Verb)
Synonyms:
(Adjective)
  1. deciduous
  2. exfoliative