兆瓦特 zhàowǎtè megawatt Origin Definitions Defs Strokes Stroke Words Sentences Sents 兆 zhào mega- (computing, metric) a prefix meaning one million (10^6)瓦特 wǎtè watt a unit of power equal to one joule per second, often used for measuring electrical power; named after the Scottish inventor James Watt; often abbreviated as 瓦 wǎ