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ecdysone

[ek-duh-zohn, -sohn]
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noun
  1. an insect hormone that stimulates metamorphosis.

Origin of ecdysone

First recorded in 1955–60; ecdys(is) + -one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ecdysone

ecdysone

noun
  1. a hormone secreted by the prothoracic gland of insects that controls ecdysis and stimulates metamorphosis

Word Origin

C20: from German ecdyson, from Greek ekdusis; see ecdysis
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