HMO 
/ˌeɪtʃˌɛmˈoʊ/ noun
plural HMOs /ˌeɪtʃˌɛmˈoʊ/ noun [count] US : an organization that provides health care to people who make regular payments to it and who agree to use the doctors, hospitals, etc., that belong to the organization ◊HMO is an abbreviation of “health maintenance organization.” — compare ppo
