かくちょうきのう 拡張機能 LinksSentence search for 拡張機能Sentence search for かくちょうきのうKanji details for 拡, 張, 機 and 能Edit in JMdict Noun1. expanded functionality; extended functionality; expansion (software)Computing, See also ブラウザ拡張機能 Discussions Log in to talk about this word.