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Drug definition

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A drug is any substance presented for treating, curing or preventing disease in human beings or in animals. A drug may also be used for making a medical diagnosis or for restoring, correcting, or modifying physiological functions (e.g., the contraceptive pill).


See also:

Eclipsing Strain definition
donor number (DN) definition
Doppler-free laser spectroscopy definition
dust definition
dispersion definition