methadone

noun

meth·​a·​done ˈme-thə-ˌdōn 

variants or less commonly methadon

ˈme-thə-ˌdän 

: a synthetic addictive narcotic drug C₂₁H₂₇NO used especially in the form of its hydrochloride for the relief of pain and as a substitute narcotic in the treatment of heroin addiction

Examples of methadone in a Sentence

Recent Examples on the Web

Harper went on to note that the tests are not designed to detect oxycodone, methadone, or clonazepam. —Emily Palmer, Peoplemag, 13 May 2024

These include methadone, buprenorphine (Suboxone™), and oral and injectable depot naltrexone (Vivitrol™). —Kyle J. Russell, USA TODAY, 7 May 2024

Word History

Etymology

methyl + amino + diphenyl + -one

First Known Use

1947, in the meaning defined above

Kids Definition

methadone

noun

meth·​a·​done ˈmeth-ə-ˌdōn 

variants also methadon

-ˌdän 

: a narcotic drug C₂₁H₂₇NO that is used to replace heroin in the treatment of heroin addiction

Medical Definition

methadone

noun

meth·​a·​done ˈmeth-ə-ˌdōn 

variants also methadon

-ˌdän 

: a synthetic addictive narcotic drug used especially in the form of its hydrochloride C₂₁H₂₇NO·HCl for the relief of pain and as a substitute narcotic in the treatment of heroin addiction

called also amidone