controlled substance

noun
1.
any of a category of behavior-altering or addictive drugs, as heroin or cocaine, whose possession and use are restricted by law.
Origin
1970-75
Examples from the web for controlled substance
  • If controlled substance testing was against the law there wouldn't be any pharmaceutical drugs.
  • The defendant shall not unlawfully possess a controlled substance.
  • Our position is that it should remain a controlled substance.
  • He was cited for suspicion of being under the influence of a controlled substance.
  • Methadone is a powerful controlled substance used for pain.
controlled substance in Medicine

controlled substance n.
A drug or chemical substance whose possession and use are regulated under the Controlled Substances Act.