ryanodine
noun
ry·an·o·dine
\rīˈanəˌdēn, -də̇n\
Definition of ryanodine
-s
: a crystalline insecticidal alkaloid C25H35NO9 that is toxic to mammals and is obtained from the root and stem of the ryania
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Origin and Etymology of ryanodine
irregular from New Latin Ryania (genus name of Ryania speciosa) + English -ine
First Known Use: 1948
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