wattage

名词 wattage:

1. the product of voltage and current
   同义词：electrical power, electric power

watt.age

n.（名词）
An amount of power, especially electric power, expressed in watts or kilowatts.
瓦数：功率数量，尤指电功率，用瓦特或千瓦表示
The electric power required by an appliance or a device.
瓦数：仪器或装置需要的电功率