helenalin

noun
hel·​e·​nalin | \ ˌheləˈnalə̇n, -nāl- \
plural -s

Definition of helenalin

: a poisonous bitter crystalline compound C15H18O4 that is the active principle of sneezeweed

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History and Etymology for helenalin

helen- (from New Latin Helenium, genus name of the sneezeweed Helenium autumnale) + -al- (from New Latin autumnale, specific epithet of the sneezeweed Helenium autumnale) + -in

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Dictionary Entries Near helenalin

Helena

helenalin

Helen flower

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Cite this Entry

“Helenalin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/helenalin. Accessed 18 Jan. 2022.

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