理論

• Reading: りろん
• Romaji: riron
• Kanji breakdown: 理 (ri) — reason, logic, principle; 論 (ron) — discussion, argument, thesis
• Pronunciation: /ɾi.ɾoɴ/

Meaning

Theory; a systematic framework of ideas explaining a phenomenon or set of facts.

A noun used in academic, scientific, and intellectual contexts. 理論 refers to a well-developed framework of reasoning, as opposed to 仮説 (hypothesis) which is still unproven. Common collocations include 理論的 (theoretical) and 理論を立てる (to formulate a theory).

Examples

1. この理論はまだ完全には証明されていない。 This theory has not yet been fully proven.
2. 大学で経済学の理論を学んでいます。 I'm studying economic theory at university.
3. 彼の理論は多くの科学者に支持されている。 His theory is supported by many scientists.

Usage Guide

Context: academia, science, philosophy

Tone: neutral

Origin & History

Composed of 理 (reason, logic, principle) and 論 (discussion, argument, thesis). Together they convey a reasoned argument or logical framework.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal