The program costs about $432 billion, or 3.2% of GDP, in 2007. Medicaid is a social welfare (or social protection) program that serves about 40 million people (as of 2007) and costs about $330 billion, or 2.4% of GDP, in 2007.
plural institutes. Learner's definition of INSTITUTE. [count] : an organization created for a particular purpose (such as research or education) They founded an institute for research into the causes of mental illness. an art institute. a technical institute.
inâ¢fraâ¢strucâ¢ture. 1. the basic, underlying framework or features of a system or organization. 2. the fundamental facilities serving a country, city, or area, as transportation and communication systems, power plants, and roads.. infrastructure-the basic structure or features of a system or organization. substructure. system-instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; he bought a new stereo system; the system consists of a motor and a small computer.