Medicare is a social insurance program that serves more than 44 million enrollees (as of 2008). The program costs about $432 billion, or 3.2% of GDP, in 2007.
The definition of an institution is an established custom or practice, or a group of people that was formed for a specific reason or a building that houses the group of people. 1  Marriage is an example of a cultural institution. 2  A town council is an example of an institution of government.
Definition of hospital. 1  1 : a charitable institution for the needy, aged, infirm, or young. 2  2 : an institution where the sick or injured are given medical or surgical care âusually used in British English without an article after a preposition. 3  3 : a repair shop for specified small objects a clock hospital.