rancidityn. (食品)腐敗、惡臭、敗壞酸敗、哈喇、發┍學術名詞酸敗：化學術語、高中化學、畜牧學、動物學、食品科技、藥學英文釋義the state of being rancid; having a rancid scent or flavor (as of old cooking oil)