Watt (noun)

1. The unit of power in the International System of Units (SI), equal to one joule per second and equivalent to the power in a circuit at a potential difference of one volt and a current of one ampere.
2. A unit of power equal to one joule per second, used to express the output power of engines and the power consumption of electrical devices.

Origin:

Named after james watt, a scottish inventor and engineer.

Examples:

1. A 60 watt lightbulb uses 60 watts of power.
2. A 1,000 watt electric heater uses 1,000 watts of power.
3. A 100 watt solar panel generates 100 watts of power.
4. A car engine that produces 250 horsepower is equivalent to 185,000 watts.
5. The average American household uses about 9,000 watts per day.