What does Benzedrine mean?

Benzedrine meaning in Etymology Dictionary

trade name of a type of amphetamine, 1933, signed up as a proprietary title 1935 by Smith, Kline & French Laboratories, from benzoic (see benzene) + chemical suffix -edrine from ephedrine, etc. It really is a carbonate of benzyl-methyl-carbinamine. Slang reducing benny very first attested 1955.

Benzedrine meaning in General Dictionary

a type of amphetamine