noun
scientific socialism
A Marxist term referring to socialism based on a scientific analysis of history and society, as opposed to utopian socialism (空想的社会主義).
See also: 空想的社会主義
マルクスとエンゲルスは科学的社会主義を提唱した。
Marx and Engels advocated scientific socialism.
Utopian socialism, which is based on idealistic visions rather than a scientific analysis of material conditions.
A compound of 科学的 (scientific) and 社会主義 (socialism), likely a calque from English or German.