Illustration: Inside a Japanese community science room, an instructor holds a simple model of a pendulum: a bead suspended from a rigid frame, with a curved wire tracing its possible swing and a small weight pointing straight downward. Beside her, a large working pendulum swings through the same arc.

JLPT N2nounLevel estimated by Bebop

理り論ろん

riron

theory

Example sentences

その考かんがえが彼かれの理論りろんの基礎きそとなっている。
The idea underlies his theory.
Tatoeba · CC BY 2.0 FR · Source
これは大切たいせつな理論りろんだ。
This is an important theory.
Tatoeba · CC BY 2.0 FR · Source
彼かれの理論りろんは事実じじつに基もとづく。
His theory is based on fact.
Tatoeba · CC BY 2.0 FR · Source

Kanji in 理論

理logic; arrangementOnリKunことわり
論argument; discourseOnロンKunあげつらう

A word like this on every new tab

The Bebop Chrome extension shows one illustrated Japanese word each time you open a new tab in Chrome, with its reading, meaning, kanji and three example sentences. Choose any mix of levels from N5 to beyond N1. It’s free, with no account.

The Bebop new tab showing 音楽, music, over an illustration of a family playing music at home, with three example sentences

Add to Chrome Free on the Chrome Web Store

For Chrome on a computer. See it on the Chrome Web Store