名詞 hmo:

1. group insurance that entitles members to services of participating hospitals and clinics and physicians
   同義詞：health maintenance organization

HMO

n.（名詞）
A corporation financed by insurance premiums whose member physicians and professional staff provide curative and preventive medicine within certain financial, geographic, and professional limits to enrolled volunteer members and their families.
維護(hù)健康組織：一個(gè)由保險(xiǎn)費(fèi)提供基金的公司，對(duì)于在一定經(jīng)濟(jì)、地理和職業(yè)范圍內(nèi)自愿參加的人及其家庭成員，由公司醫(yī)生及職業(yè)人員提供治療的和預(yù)防性的藥品

來(lái)源：
H(ealth) M(aintenance) O(rganization)
H(ealth) M(aintenance) O(rganization)