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Watt
(noun)

- 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.
- 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:

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