ecdysone

noun
ec·​dy·​sone | \ ˈek-də-ˌsōn How to pronounce ecdysone (audio) \
variants: or less commonly ecdyson \ ˈek-​də-​ˌsän How to pronounce ecdysone (audio) \

Definition of ecdysone

: any of several arthropod hormones that in insects are produced by the prothoracic gland and that trigger molting and metamorphosis

First Known Use of ecdysone

1956, in the meaning defined above

History and Etymology for ecdysone

borrowed from German Ecdyson, from Ecdysis ecdysis + -on (in Hormon hormone)

Note: Name introduced by the German biochemist Peter Karlson (1918-2001) in "Chemische Untersuchungen über die Metamorphosehormone der Insekten," Annales des sciences naturelles: zoologie et biologie animale, séries 11, tome 18 (1956), pp. 125-37.

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Cite this Entry

“Ecdysone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ecdysone. Accessed 26 Nov. 2021.

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More Definitions for ecdysone

ecdysone

noun
ec·​dy·​sone | \ ˈek-də-ˌsōn How to pronounce ecdysone (audio) \
variants: also ecdyson \ -​ˌsän How to pronounce ecdysone (audio) \

Medical Definition of ecdysone

: any of several arthropod hormones that in insects are produced by the prothoracic gland and that trigger molting and metamorphosis

More from Merriam-Webster on ecdysone

Britannica.com: Encyclopedia article about ecdysone

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