ぜんぽうごかんせい 前方互換性 LinksSentence search for 前方互換性Sentence search for ぜんぽうごかんせいKanji details for 前, 方, 互, 換 and 性Edit in JMdict Noun1. forward compatibility; upward compatibilitySee also 下位互換性, See also 後方互換性 Discussions Log in to talk about this word.