regime

n. mode of rule, system of government, form of government

A regime (occasionally spelled "régime", particularly in older texts) is usually one of two things: a political system, or a class of physical conditions.
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Noun
1. the organization that is the governing authority of a political unit; "the government reduced taxes"; "the matter was referred to higher authorities"
(synonym) government, authorities
(hypernym) polity
(hyponym) ancien regime
(member-meronym) government department
(part-meronym) administration, governance, governing body, establishment, brass, organization, organisation
(classification) government, governing, governance, government activity
2. (medicine) a systematic plan for therapy (often including diet)
(synonym) regimen
(hypernym) plan, program, programme
(classification) medicine, medical specialty

n. regimen, government, reign, mode of rule; mode of living, manner of behaving; regime, system of government, form of government

n. government, regime; regimen, diet