noun🔗Share瓦特 In the International System of Units, the derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W"The light bulb uses 60 watts of power. "这个灯泡使用 60 瓦特 的电力。energyphysicsunitsciencetechnicalChat with AIVocabulary GamePractice Reading