medicine
US /ˈmed.ɪ.sən/
UK /ˈmed.ɪ.sən/

1.
the science or practice of the diagnosis, treatment, and prevention of disease (in technical use, often taken to exclude surgery)
:
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She is studying medicine at university.
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Advancements in medicine have saved countless lives.
2.
a drug or other preparation for the treatment or prevention of disease
:
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Take your medicine twice a day.
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The doctor prescribed some strong medicine for her cough.