ぎゃっかん 逆換 LinksSentence search for 逆換Sentence search for ぎゃっかんSentence search for ぎゃくかんKanji details for 逆 and 換Edit in JMdict Noun1. (logical) inversionOther forms逆換 【ぎゃくかん】 Discussions Log in to talk about this word.