noun
(also rheadin)
Chemistry A mildly toxic alkaloid present in the seed capsules of the corn poppy.
Rhoeadine has a polycyclic molecule with six fused rings. Formula: C₂₁H₂₁NO₆.
Origin
Mid 19th century (in an earlier sense). From French rhoeadine from Hellenistic Greek ῥοιαδ-, ῥοιάς corn poppy (from ancient Greek ῥοιά, variant of ῥόα pomegranate (perhaps a loanword or perhaps from an ablaut variant of the base of ρεῖν to flow) + -άς, perhaps so called on account of its red flowers) + French -ine, after scientific Latin rhoeas, specific epithet (LinnaeusSpecies plantarum I. 507).
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