原 理(げんり)

げんり

noun

principle, theory

1. principle, fundamental truth

A basic truth or law that underlies how something works or operates.

この機械(きかい)の原理(げんり)を説明(せつめい)してください。

Please explain the principle behind this machine.

物理学(ぶつりがく)の基本(きほん)原理(げんり)を学(まな)ぶ。

To learn the basic principles of physics.

民主主義(みんしゅしゅぎ)の原理(げんり)に基(もと)づいて政治(せいじ)が行(おこな)われる。

Politics is conducted based on the principles of democracy.

原理(げんり) refers to a fundamental principle or truth that explains how something works. It's often used in scientific, philosophical, or political contexts.

Common collocations:

基本(きほん)原理(げんり) (basic principle)
原理(げんり)に基(もと)づく (to be based on a principle)
原理(げんり)を理解(りかい)する (to understand the principle)
作動(さどう)原理(げんり) (operating principle)

Similar words:

原則(げんそく) - general rule, principle (more about rules to follow)
法則(ほうそく) - law (scientific law)
理論(りろん) - theory

Related Words

Related: 原則(げんそく) (general rule)

Related: 法則(ほうそく) (scientific law)

Related: 理論(りろん) (theory)

general

Added 2026.1.13 20:15 · Revised 2026.5.9 10:15

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