over–the–counter

adjective

: available for purchase without a special note (called a prescription) from a doctor

business : not traded on an organized stock exchange

Full Definition of OVER-THE-COUNTER

: not traded or effected on an organized securities exchange <over–the–counter transactions> <over–the–counter securities>

: sold lawfully without prescription <an over–the–counter pain reliever>

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1921

Medical Dictionary

adjective

: sold lawfully without prescription <an over–the–counter painkiller>

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