amphetamine vs methedrine

amphetamine

noun
  • Referring to a substituted amphetamine; a member of the amphetamine class of chemicals. 

  • Any mixture of the two amphetamine enantiomers, dextroamphetamine and levoamphetamine. 

  • The racemic freebase of 1-phenylpropan-2-amine; an equal parts mixture of levoamphetamine and dextroamphetamine in their pure amine forms. 

  • A potent central nervous system stimulant of the phenethylamine chemical class that is used to treat ADHD, narcolepsy, and obesity. 

methedrine

noun
  • A brand name for methamphetamine. 

How often have the words amphetamine and methedrine occurred in a corpus of books? (source: Google Ngram Viewer )