General term for an empire, a large political unit ruled by an emperor.
ローマ帝国は広大な領土を持っていた。
The Roman Empire had vast territory.
彼は自分の会社を小さな帝国のように経営している。
He runs his company like a small empire.
Empire of Japan
Abbreviation of 大日本帝国 (Dai Nippon Teikoku), the historical Empire of Japan (1868–1947). Used in historical or political contexts.
See also: 大日本帝国
帝国海軍は太平洋戦争で大きな役割を果たした。
The Imperial Japanese Navy played a major role in the Pacific War.
He built a vast empire in just ten years.
The empire collapsed due to internal strife.
The emperor had ruled the vast empire for many years.
dual monarchy · Austria-Hungary; Austro-Hungarian Empire
imperialism