ec·dy·sone

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

Origin:
1955–60; ecdys(is) + -one

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World English Dictionary
ecdysone (ɛkˈdaɪˌsəʊn) [Click for IPA pronunciation guide]
 
n
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 & Unabridged 10th Edition
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00:10
Ecdysone is always a great word to know.
So is bezoar. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Example sentences
The molting hormone is produced as ecdysone and is released into the culture medium.
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