noun
caliphate; Islamic empire
Refers to the historical Islamic state ruled by a caliph. Often used in historical or political contexts.
イスラム帝国は7世紀に急速に拡大した。
The Islamic empire expanded rapidly in the 7th century.
カリフ制 specifically refers to the caliphate as a system of government, while イスラム帝国 emphasizes the empire itself.
Compound of イスラム (Islam) and 帝国 (empire).