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a unit of energy equal to the work done by a power of 1000 watts in one hour.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Measure of electricity consumption; a 100-watt light bulb burning for 10 hours consumes 1 kWh.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a subsidiary unit of energy or work; it is equal to the work produced by a power of 1 kW in 1 hr. It is designated as kvt · ch or kW-hr; 1 kW-hr = 3.6 × 106 joules. It is used predominantly in electrical engineering.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
A unit of energy or work equal to 1000 watt-hours. Abbreviated kWh; kW-hr. Also known as Board of Trade Unit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A unit of energy equal to 1,000 watt-hours; equal to the work expended in 1 hour at a rate of 1.34 horsepower.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.