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 ;

1. (

• prescription

) available only with a doctor's written prescription; "a prescription drug" ;