Meaning of “prescription” - Learner’s Dictionary

prescription

noun us uk /prɪˈskrɪpʃən/

B1 [ C ] a piece of paper saying what medicine someone needs or the medicine itself:

a doctor's prescription
on prescription

UK US by prescription If you get a medicine on prescription, you only get it if you have a written instruction from your doctor.

(Definition of “prescription” from the Cambridge Learner’s Dictionary © Cambridge University Press)