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[kil-uh-wot] /ˈkɪl əˌwɒt/
a unit of power, equal to 1000 watts.
Abbreviation: kW, kw.
Origin of kilowatt
First recorded in 1880-85; kilo- + watt Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for kilowatt
Contemporary Examples
Historical Examples
  • It's going in at ten kilovolts, so that's a five billion kilowatt supply.

    Islands of Space John W Campbell
  • There are amperes, and there are volts, and there are kilowatt hours.

    David and the Phoenix Edward Ormondroyd
  • We had to use a kilowatt before they could pick it up at 200 miles.

    Greylorn John Keith Laumer
  • Voltage, amperage, and watt or kilowatt are the terms in common use.

  • A horse-power is equivalent to 746 watts, or is nearly 3/4 of a kilowatt.

    Physics Willis Eugene Tower
  • How long would it take for this lamp to use a kilowatt hour of energy?

    Physics Willis Eugene Tower
  • What is the expense for this power at 10 cents a kilowatt hour?

    Physics Willis Eugene Tower
  • A kilowatt is usually indicated by "kw" and a kilowatt hour by "kwh."

  • By experiment it has been found that one kilowatt is equivalent to about 1-1/3 horse power.

    General Science Bertha M. Clark
British Dictionary definitions for kilowatt


one thousand watts kW
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for kilowatt

1884, from kilo- + watt. Kilowatt hour is from 1892. Related: Kilowattage.

Online Etymology Dictionary, © 2010 Douglas Harper
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kilowatt in Science
A unit of power equal to 1,000 watts.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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kilowatt in Culture
kilowatt [(kil-uh-waht)]

One thousand watts. (See power.)

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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