S: (n) prescription (directions prescribed beforehand; the action of prescribing authoritative rules or directions) "I tried to follow her prescription for success"
S: (n) prescription (written instructions for an optician on the lenses for a given person)
S: (n) prescription (written instructions from a physician or dentist to a druggist concerning the form and dosage of a drug to be issued to a given patient)
S: (adj) prescription (available only with a doctor's written prescription) "a prescription drug"