methamphetamine

From meth- +‎ amphetamine; 1945–1950.

• IPA^(key): /ˌmɛθæmˈfɛtəˌmiːn/, /ˌmɛθæmˈfɛtəˌmɪn/

• Audio (Southern England):

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methamphetamine (countable and uncountable, plural methamphetamines)

2. A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.

   Synonyms: meth, methedrine, crank; see also Thesaurus:methamphetamine

   Near-synonyms: crystal meth, ice (formulation-specific nicknames); speed (also includes other similar drugs)

   • 1960, J[ohn] J[acob] Lewis, “Central Nervous System Stimulants”, in An Introduction to Pharmacology, Edinburgh; London: E[dward] & S[tuart] Livingstone Ltd., →OCLC, page 288:

     Methamphetamine is more potent than dexamphetamine which is in turn more potent than its racemate amphetamine.

   • 2025 September 12, “Meth burn by FBI smokes out Montana animal shelter”, in CNN‎^[1], sourced from Associated Press, archived from the original on 10 October 2025:

     A cloud of smoke from two pounds of methamphetamine seized by the FBI and incinerated inside a Montana animal shelter sent its workers to the hospital, city officials in Billings said.

• methamphetamine on Wikipedia.Wikipedia