- a brand of amphetamine.
- a trademark for amphetamine
trade name of a type of amphetamine, 1933, registered as a proprietary name 1935 by Smith, Kline & French Laboratories, from benzoic (see benzene) + chemical suffix -edrine from ephedrine, etc. It is a carbonate of benzyl-methyl-carbinamine. Slang shortening benny first attested 1955.