from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A white, crystalline, bitter substance.

from the GNU version of the Collaborative International Dictionary of English

  • n. A white, crystalline, bitter substance. See calumbin.

from The Century Dictionary and Cyclopedia

  • n. A non-conducting material placed between the parallel carbons of the electric candle.
  • n. A colorless, crystalline, bitter principle, C21 H22O7, contained in African columbo-root, Jateorhiza palmata.


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