hospitalization
noun
hos·pi·tal·iza·tion
variants:
or chiefly British hospitalisation \ ˌhäs-(ˌ)pit-ᵊl-ə-ˈzā-shən 
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Medical Definition of hospitalization
1
: the act or process of being hospitalized
pain persisted constantly through a two-day period, finally necessitating hospitalization — Journal of the American Medical Association
2
: the period of stay in a hospital
drug treatment shortened the length of hospitalization — Today's Health
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