The definition of a watt is the basic unit of electric, mechanical or thermal power.
(noun)An example of a watt is a measure of a light bulb's power.
See watt in Webster's New World College Dictionary
noun
Origin: after James Watt: name proposed (1882) by Sir William Siemens
See watt in American Heritage Dictionary 4
noun
Origin:
Origin: After James Watt
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