柯林斯詞典cathode /?k?θ??d/ (cathodes) 1. N-COUNT A cathode is the negative electrode in a cell such as a battery. Compare . 陰極 返回 cathode劍橋詞典one of the electrodes (= object that electricity moves through) in a piece of electrical equipment . The cathode is the positive electrode in a battery and the negative electrode in an electrolytic cell . （電極的）負(fù)極，陰極 比較anode 返回 cathode