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Definition of "codeine" [co•de•ine]

  • An alkaloid narcotic, C18H21NO3, derived from opium or morphine and used as a cough suppressant, analgesic, and hypnotic. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "codeine" in a sentence
  • "With heroin supplies running extremely low thanks to the efforts to quash exports out of Afghanistan, Russian chemists have developed the new drug made from household items like codeine, which is available over the counter in Russia."
  • "She succeeded using leading-edge genomics techniques that helped her sort through up to 23,000 different genes and ultimately find a gene called codeine O-dementhylase (CODM) that produces the plant enzyme converting codeine into morphine."
  • "Lil Wayne-endorsed "drank" of champions called codeine haha"