hospitalization

(noun) a period of time when you are confined to a hospital. Example: "Now they try to shorten the patient's hospitalization."

(noun) the condition of being treated as a patient in a hospital. Example: "He hoped to avoid the expense of hospitalization."

(noun) insurance that pays all or part of a patient's hospital expense. Synonyms: hospitalization insurance.

(noun) placing in medical care in a hospital. Synonyms: hospitalisation, hospital care.