methadone

[ meth-uh-dohn ]
/ ˈmɛθ əˌdoʊn /

noun Pharmacology.

a synthetic narcotic, C21H28ClNO, similar to morphine but effective orally, used in the relief of pain and as a heroin substitute in the treatment of heroin addiction.

Nearby words

  1. methacetin,
  2. methacrylate,
  3. methacrylate resin,
  4. methacrylic acid,
  5. methadon,
  6. methadone hydrochloride,
  7. methaemoglobin,
  8. methamphetamine,
  9. methamphetamine hydrochloride,
  10. methanal

Also meth·a·don [meth-uh-don] /ˈmɛθ əˌdɒn/.

Origin of methadone

An Americanism dating back to 1945–50; meth(yl) + a(mino) + d(iphenyl) + (heptan)one

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for methadon

methadone

methadon (ˈmɛθəˌdɒn)

/ (ˈmɛθəˌdəʊn) /

noun

a narcotic analgesic drug similar to morphine, used to treat opiate addiction. Formula: C 21 H 27 NO

Word Origin for methadone

C20: from (di) meth (yl) + a (mino) + d (iphenyl) + -one

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for methadon

methadone

n.

1947, generic designation for 6-dimethylamino-4, 4-diphenyl-3-heptanone. For origins of the syllables, see methyl + amino + di- + -one.

Online Etymology Dictionary, © 2010 Douglas Harper

Culture definitions for methadon

methadone

[ (meth-uh-dohn) ]

An analgesic that is sometimes used in the treatment of drug addiction.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.