Last Updated
：2026/01/06
一院制
Hiragana
いちいんせい
Noun
Japanese Meaning
一つの議院だけから成る議会制度。また、その原則や体制を指す。 / 二院制（上院・下院など）の対義語として、単一の立法機関によって立法が行われる仕組み。
Easy Japanese Meaning
国の会ぎをするところが一つだけしかないしくみのこと
Chinese (Simplified) Meaning
仅设一个议院的立法制度 / 立法机关由单一院组成的体制 / 与两院制相对的单院制原则
Chinese (Traditional) Meaning
立法機關僅設一個議院的制度 / 由單一議院構成的國會體制
Korean Meaning
단원제 / 상·하 양원 없이 하나의 원으로 구성된 의회 제도 / 입법부가 단일 의회로 구성되는 원칙
Vietnamese Meaning
hệ thống lập pháp chỉ có một viện / nguyên tắc tổ chức quốc hội một viện / chế độ một viện trong cơ quan lập pháp
Tagalog Meaning
sistemang pambatasan na may iisang kapulungan / prinsipyong ang lehislatura ay binubuo ng isang kapulungan lamang
Sense（1）
unicameralism (principle of having a legislative body consisting of a single chamber)
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
unicameralism (principle of having a legislative body consisting of a single chamber)
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一院制
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Japan does not have a unicameral system, but a bicameral parliament.
Japan does not have a unicameral system, but a bicameral parliament.
See correct answer
日本は一院制ではなく、二院制の国会を持っています。
Japanese - English
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