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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of various acids derived from the juice of Lactuca virosa.

from The Century Dictionary and Cyclopedia

  • n. A bitter, acrid, brownish-green, amorphous compound obtained from the juice of Lactuca Canadensis.
  • n. A light-yellow crystalline compound, C40H58O11(?), formed by the action of dilute sulphuric acid on lactcuarium. It gives a wine-red color with alkalis.


Lactuca +‎ -ic + acid (Wiktionary)


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