noun
colonial period; colonial era
Refers to the historical period when a country was under colonial rule. Often used in historical or political contexts.
この建物は植民地時代に建てられた。
This building was constructed during the colonial period.
植民地 means 'colony' (the territory itself), while 植民地時代 refers specifically to the colonial period or era.
Compound of 植民地 (colony) + 時代 (period, era).