Hospitalization is the act, or the time, of being taken into a hospital to stay there for treatment — not a short visit to a clinic, and not merely seeing a doctor. If someone needs an operation, or is too ill to go home, that stay is hospitalization.

Hospitalizationhospitalization is是 the act, or the time這個行為、或這段時間, of being taken into a hospital to stay there for treatment指被送進醫院住院治療 — not a short visit to a clinic不是去診所短暫看一下, and而 not merely seeing a doctor也不只是看個醫生. If someone needs an operation如果有人需要動手術, or is too ill to go home或病得沒辦法回家, that stay這段住院 is hospitalization就是 hospitalization.

It is a formal, medical, paperwork kind of word; families more often say she is in hospital (British) or she is in the hospital (American). The American spelling is hospitalization; British English often writes hospitalisation. The verb is hospitalize / hospitalise.

It is它是 a formal, medical, paperwork kind of word一個正式、醫療、公文式的詞; families家人 more often say更常說 she is in hospital (British)她 in hospital（英式）or或 she is in the hospital (American)她 in the hospital（美式）. The American spelling美式拼法 is是 hospitalizationhospitalization; British English英式英語 often writes常常寫作 hospitalisationhospitalisation. The verb動詞 is是 hospitalize / hospitalisehospitalize / hospitalise.

Though actually, students sometimes use this word for any trip to a hospital, even when the person visits and goes home the same day. That is not how doctors and forms use it.

Though actually雖然其實, students學生 sometimes use this word有時候會用這個詞 for any trip to a hospital指任何一趟去醫院, even when即使 the person visits and goes home the same day那個人只是去看一下當天就回家了. That is那並不是 not how doctors and forms use it醫生和表格上使用這個詞的方式.