Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A bitter crystalline alkaloid, C23H27NO8, obtained from opium and formerly used in medicine as a substitute for morphine.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An alkaloid contained in opium, occurring as fine white, silky crystals, slightly soluble in water, used as a substitute for morphine.

from the GNU version of the Collaborative International Dictionary of English

  • n. An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia.

from The Century Dictionary and Cyclopedia

  • n. An alkaloid (C23H29NO9) contained in opium.
  • n. An acid coal-tar color of the monoazo type, prepared by combining diazotized sulphanilic acid with β-naph-thol and then treating the product with sodium bisulphite. It dyes wool orange in an acid bath, but is chiefly used in textile-printing.

Etymologies

French narcéine : Greek narkē, numbness + French -ine, alkaloid; see -ine2.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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