국제 단위계(SI)의 일률 및 전력 단위로, 초당 1줄(J)의 에너지를 소비하거나 생성할 때의 크기.
The International System of Units (SI) unit of power, equivalent to one joule per second, used to measure the rate of energy transfer.
예문:
"The microwave operates at a maximum power of 800 watts."
"You can save energy by switching to light bulbs with lower wattage."
"The speaker system delivers 50 watts per channel."