stomach

Alternative form of ヨハネの黙示録 (Yohane no Mokushiroku, “Apocalypse of John”)

game theory

fuzzy logic

(physics) Synonym of 弦理論 (genriron, “string theory”)

(Shinto) a traditional Japanese paper doll used in certain purification rituals / a doll or other substitute for a person, used as the target for a prayer or curse / a substitute or stand-in for a person

Kyūjitai form of 論理学: logic

Lojban (an artificial language)

(Internet slang) Short for どっちもどっち論.

(2channel slang) Synonym of セックス (sekkusu, “sexual intercourse”)