trop·​i·​dine | \ˈträpəˌdēn, -də̇n\
plural -s

Definition of tropidine 

: an oily alkaloid C8H13N obtained by the chemical dehydration of tropine

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First Known Use of tropidine

1879, in the meaning defined above

History and Etymology for tropidine

International Scientific Vocabulary trop- entry 2 + -idine

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The first known use of tropidine was in 1879

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