しすう べき指数 LinksSentence search for べき指数Sentence search for べきしすうSentence search for 冪指数Sentence search for 羃指数Kanji details for 指 and 数Edit in JMdict Noun1. exponentMathematicsOther forms冪指数 【べきしすう】、羃指数 【べきしすう】 Discussions Log in to talk about this word.