plural -s
: a crystalline insecticidal alkaloid C25H35NO9 that is toxic to mammals and is obtained from the root and stem of the ryania

Word History


irregular from New Latin Ryania (genus name of Ryania speciosa) + English -ine

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of ryanodine was in 1948

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Dictionary Entries Near ryanodine

Cite this Entry

“Ryanodine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ryanodine. Accessed 22 Sep. 2023.

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