- Common stimulant - Drug in coffee - Tea and coffee stimulant - Tea drug - Tea stimulant - A white, bitter, crystallizable substance, obtained from
coffee. It is identical with the alkaloid theine from tea leaves, and
with guaranine from guarana.
- Pertaining to, derived from, or connected with, quinine and
related compounds; specifically, designating a nonnitrogenous acid
obtained from cinchona bark, coffee, beans, etc., as a white
crystalline substance.