"prescription" in the noun sense
1. prescription
directions prescribed beforehand the action of prescribing authoritative rules or directions
"I tried to follow her prescription for success"
2. prescription drug, prescription, prescription medicine, ethical drug
a drug that is available only with written instructions from a doctor or dentist to a pharmacist
"he told the doctor that he had been taking his prescription regularly"
3. prescription
written instructions for an optician on the lenses for a given person
4. 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
"prescription" in the adjective sense
1. prescription
available only with a doctor's written prescription
"a prescription drug"
Source: WordNet® (An amazing lexical database of English)
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