benzedrine

From a trade name.

benzedrine (uncountable)

1. The racemic mixture of amphetamine (dl-amphetamine).
   • 1963, Sylvia Plath, The Bell Jar, Faber and Faber, page 118:

     Then I would be way ahead when college started at the end of September, and able to enjoy my last year instead of swotting away with no make-up and stringy hair, on a diet of coffee and benzedrine, the way most of the seniors taking honours did, until they finished their thesis.

benzedrine f

1. plural of benzedrina