Definitions

from The Century Dictionary.

  • noun The orange- coloring principle (C16H26O2) of arnotto, a vermilion-red powder, insoluble in water or ether, but soluble in alcohol and benzol.
  • noun A variety of arnotto, having from six to ten times the coloring power of common arnotto, from quicker extraction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry An apocarotenoid that is the active ingredient of annatto.

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