“Theory” in Japanese
Short answer
Theory in Japanese is “理屈” (rikutsu). Full meaning: theory, reason, logic; (unreasonable) argument, strained logic, excuse, pretext.
Other ways to say “Theory” in Japanese
原論
genron theory, principles
学説
gakusetsu theory
理論
riron theory
説
setsu theory, doctrine; opinion, view; rumour, rumor, gossip, hearsay
セオリー
seorii theory; standard procedure, common strategy, established tactics
原理
genri principle, theory, fundamental truth
りくつ
rikutsu theory, reason, logic; (unreasonable) argument, strained logic, excuse, pretext
リクツ
rikutsu theory, reason, logic; (unreasonable) argument, strained logic, excuse, pretext
論
ron argument, discussion, dispute, controversy, discourse, debate; theory (e.g. of evolution), doctrine; essay, treatise, comment
理窟
rikutsu theory, reason, logic; (unreasonable) argument, strained logic, excuse, pretext
理くつ
rikutsu theory, reason, logic; (unreasonable) argument, strained logic, excuse, pretext
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