from the GNU version of the Collaborative International Dictionary of English

  • n. A fast dyestuff, C20H8O6, made by heating gallein with strong sulphuric acid. It dyes mordanted fabrics green.

from The Century Dictionary and Cyclopedia

  • n. Same as azulene.
  • n. A coal-tar color used in dyeing, prepared by treating gallein with strong sulphuric acid.
  • n. See cerulein.


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