Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A yellow crystalline dyestuff extracted from a species of buckthorn, Rhamnus frangula.

from the GNU version of the Collaborative International Dictionary of English

  • n. A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; -- called also rhamnoxanthin.

from The Century Dictionary and Cyclopedia

  • n. A yellow crystallizable coloring matter (C20H20O10) contained in the bark of the alder-buckthorn, Rhamnus Frangula, and other species of the same genus.

Etymologies

frangula +‎ -in (Wiktionary)

Examples

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