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The act of combining parts to form a whole.
[L. compono, to put together]


Combining pharmacologically active agents at a pharmacy; mixing or preparing a single active agent at a pharmacy for use by an individual patient.


Pharmacies that compound drugs are regulated by state and local boards of pharmacy, not by the FDA.


the annual addition of earned interest to a capital sum of borrowed or loaned money at the existing market interest rate, including the interest earned by the accumulated interest; calculated future value of an existing capital sum.