ecdysone(redirected from ecdyson)
Also found in: Medical, Encyclopedia.
A steroid hormone produced by insects and crustaceans that promotes growth and controls molting.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Zoology) a hormone secreted by the prothoracic gland of insects that controls ecdysis and stimulates metamorphosis
[C20: from German ecdyson, from Greek ekdusis; see ecdysis]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ec•dy•sone(ˈɛk dəˌzoʊn, -ˌsoʊn)
an insect hormone that stimulates metamorphosis.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.