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watt
[ wot ]
/ wÉt /
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noun
the standard unit of power in the International System of Units (SI), equivalent to one joule per second and equal to the power in a circuit in which a current of one ampere flows across a potential difference of one volt. Abbreviation: W, w.
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Origin of watt
First recorded in 1882; named after J. Watt
Words nearby watt
Other definitions for watt (2 of 2)
Watt
[ wot ]
/ wÉt /
noun
James, 1736ā1819, Scottish engineer and inventor.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2022
How to use watt in a sentence
British Dictionary definitions for watt (1 of 2)
watt
/ (wÉt) /
noun
the derived SI unit of power, equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a potential difference of 1 volt. 1 watt is equivalent to 1.341Ā ĆĀ 10 ā3 horsepowerSymbol: W
Word Origin for watt
C19: named after James Watt
British Dictionary definitions for watt (2 of 2)
Watt
/ (wÉt) /
noun
James. 1736ā1819, Scottish engineer and inventor. His fundamental improvements to the steam engine led to the widespread use of steam power in industry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Ā© William Collins Sons & Co. Ltd. 1979, 1986 Ā© HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for watt
watt
[ wÅt ]
n.
A unit of power in the International System of Units equal to one joule per second.
The American HeritageĀ® Stedman's Medical Dictionary
Copyright Ā© 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for watt (1 of 2)
watt
[ wÅt ]
The SI derived unit used to measure power, equal to one joule per second. In electricity, a watt is equal to current (in amperes) multiplied by voltage (in volts).
Scientific definitions for watt (2 of 2)
Watt
James 1736-1819
British engineer and inventor who patented a much improved version of the steam engine (1769) and devised the unit of horsepower. The watt unit of power is named for him.
The American HeritageĀ® Science Dictionary
Copyright Ā© 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for watt
The New Dictionary of Cultural Literacy, Third Edition
Copyright Ā© 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.