scopoletin
noun
sco·po·le·tin
| \ ˌskō-pə-ˈlēt-ᵊn, skə-ˈpäl-ət-ən
\
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Medical Definition of scopoletin
: a crystalline lactone C10H8O that is found in various solanaceous plants (as members of the genus Scopolia or belladonna)