Prescription:Aphysician's order for the preparation and administration of a drug or device for apatient. Aprescriptionhas several parts. They include the superscription or heading with the symbol "R" or "Rx", which stands for the word recipe (meaning,inLatin, to take); the inscription, which contains the names and quantities of the ingredients; the subscription or directions for compounding the drug; and thesignaturewhich is often preceded by thesign"s" standing for signa (Latin for mark), giving the directions to be marked on the container.
