noun
Refers to the aristocratic class as a social group, often in historical or sociological contexts.
19世紀のイギリスでは、アリストクラシーが政治を支配していた。
In 19th-century Britain, the aristocracy dominated politics.
noun
Refers to the system of government by a privileged minority; synonymous with 貴族制.
See also: 貴族制
アリストクラシーは民主主義とは対照的な政治体制だ。
Aristocracy is a political system that contrasts with democracy.