Definition of watt
: the absolute meter-kilogram-second unit of power equal to the work done at the rate of one joule per second or to the power produced by a current of one ampere across a potential difference of one volt : 1⁄746 horsepower
Recent Examples of watt from the Web
Headphones have small transducers that run at power levels measured in milliwatts; speakers have large transducers that run at power levels measured in watts.
That resulted in 18.5 megawatts of production, or 198 solar watts per customer.
Florida’s largest by far with 4.9 million customers and the nation’s third largest – will have 130 solar watts per customer by the end of the year.
Its motor produces 2000 watts of power, which is transferred to each rear wheel by a belt drive system.
The testing will cover a 30- and 10-meter sprint, medicine ball toss, vertical jump and a watt bike test.
Each pulse from ChemCam’s laser delivers more than 1 million watts of power.
After falling for years, panel prices have climbed to between 41 and 43 cents per watt, from 35 to 39 cents a month ago, Meikle said.
For instance, the critique asserts that Jacobson assumed that hydroelectric dams would have the capacity to generate over 1,000 gigawatts, or billion watts, of electricity, vastly more than exists today.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'watt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of watt
James Watt †1819
First Known Use: 1882See Words from the same year
Definition of Watt
James 1736–1819 Scottish inventor
WATT Defined for English Language Learners
Definition of watt for English Language Learners
: a unit for measuring electrical power
WATT Defined for Kids
Definition of watt for Students
: a unit for measuring electric power
Medical Definition of watt
: the absolute mks unit of power equal to the work done at the rate of one joule per second or to the power produced by a current of one ampere across a potential difference of one volt : 1⁄746 horsepower
Biographical Note for watt
James (1736–1819), British engineer and inventor. Watt's steam engine played a major role in the coming of the Industrial Revolution and came to be used in paper mills, flour mills, cotton mills, iron mills, distilleries, canals, and waterworks. At the end of the 19th century the International Electrical Congress named the watt, the unit of electrical power, in his honor.
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