pharmacology
US /ˌfɑːr.məˈkɑː.lə.dʒi/
UK /ˌfɑːr.məˈkɑː.lə.dʒi/
1.
the branch of medicine concerned with the uses, effects, and modes of action of drugs.
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She is studying pharmacology at university.
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Advances in pharmacology have led to new drug discoveries.