• Webster's Revised Unabridged Dictionary
    • n Vincetoxin (Chem) A glucoside extracted from the root of the white swallowwort (Vincetoxicum officinale, a plant of the Asclepias family) as a bitter yellow amorphous substance; -- called also asclepiadin, and cynanchin.
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Century Dictionary and Cyclopedia
    • n vincetoxin The name given to two yellow, amorphous, pulverulent compounds, C16H12O6, contained in powdered asclepias root, Cynanchum Vincitoxicum. They melt at 59° C. One dissolves in water, the other does not.
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