pre·scrip·tion 
/prɪˈskrɪpʃən/ noun
plural pre·scrip·tions /prɪˈskrɪpʃən/ noun 1 a : a written message from a doctor that officially tells someone to use a medicine, therapy, etc. [count] ▪ The drug is only sold with a prescription. — often + for ▪ The doctor wrote me a prescription for cough syrup. [noncount] ▪ (US) The drug is only available by prescription. = (Brit) The drug is only available on prescription. [=you can only get the drug if you have a prescription]
b [count] : a medicine or drug that a doctor officially tells someone to use
▪ I have to pick up my prescription. — often used before another noun ▪ prescription drugs/medicine/costs 2 [count] : something that is suggested as a way to do something or to make something happen — + for ▪ a prescription for economic recovery ▪ a prescription for improving the educational system
b [count] : a medicine or drug that a doctor officially tells someone to use
▪ I have to pick up my prescription. — often used before another noun ▪ prescription drugs/medicine/costs
