Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.


From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search


1. A decoction of barley with other ingredients; a farinaceous drink.

2. (Science: medicine) An aqueous medicine, containing little, if any, medicinal agent; a tea or tisane.

Origin: L. Ptisana peeled barley, barley water, Gr, from to peel, husk; cf. F. Ptisane, tisane.