Prescription

[pri-skrip-shuh n] /prɪˈskrɪp ʃən/
noun
1.
Medicine/Medical.

a direction, usually written, by the physician to the pharmacist for the preparation and use of a medicine or remedy.
the medicine prescribed:
Take this prescription three times a day.

2.
an act of prescribing.
3.
that which is prescribed.
4.
Law.

Also called positive prescription. a long or immemorial use of some right with respect to a thing so as to give a right to continue such use.
Also called positive prescription. the process of acquiring rights by uninterrupted assertion of the right over a long period of time.
Also called negative prescription. the loss of rights to legal remedy due to the limitation of time within which an action can be taken.

adjective
5.
(of drugs) sold only upon medical prescription; ethical.
Compare over-the-counter (def 2).
prescription
/prɪˈskrɪpʃən/
noun
1.

written instructions from a physician, dentist, etc, to a pharmacist stating the form, dosage strength, etc, of a drug to be issued to a specific patient
the drug or remedy prescribed

2.
(modifier) (of drugs) available legally only with a doctor’s prescription
3.

written instructions from an optician specifying the lenses needed to correct defects of vision
(as modifier): prescription glasses

4.
the act of prescribing
5.
something that is prescribed
6.
a long established custom or a claim based on one
7.
(law)

the uninterrupted possession of property over a stated period of time, after which a right or title is acquired (positive prescription)
the barring of adverse claims to property, etc, after a specified period of time has elapsed, allowing the possessor to acquire title (negative prescription)
the right or title acquired in either of these ways

prescription pre·scrip·tion (prĭ-skrĭp’shən)
n.

A written order, especially by a physician, for the preparation and administration of a medicine or other treatment.

A prescribed medicine or other treatment.

An ophthalmologist’s or optometrist’s written instruction, as for the grinding of corrective lenses.