Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An SI-derived unit of power equal to one joule per second.
from The Century Dictionary.
- noun The practical unit of electrical activity or power. T
from the GNU version of the Collaborative International Dictionary of English.
- noun (Physics) A unit of power or activity equal to 107 C.G.S. units of power, or to work done at the rate of one joule a second. An English horse power is approximately equal to 746 watts.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun In the
International System of Units , thederived unit ofpower ; the power of a system in which onejoule ofenergy is transferred persecond . Symbol: W
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
- noun Scottish engineer and inventor whose improvements in the steam engine led to its wide use in industry (1736-1819)
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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(Lumens per watt is similar to miles per gallon - the higher the number represents greater efficiency)
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(Lumens per watt is similar to miles per gallon - the higher the number represents greater efficiency)
Sustainable Design Update » Blog Archive » LED Light Sets New Record 2009
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The cost per watt is an estimate of one study likely using only two current examples from industry.
Thin Film Solar Companies Raise Hundreds of Millions in Financing - Bits Blog - NYTimes.com 2008
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Lumens-per-watt is the standard used by the lighting industry to measure the conversion of electrical energy to light.
Sustainable Design Update » Blog Archive » Super Efficient Lighting 2006
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A watt is a watt, be it delivered at a potential difference of 110 volts, 220 volts, or 440 volts.
220 V vs 110 V 2005
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A watt is a unit of measure equal to the power produced by a current of 1 amp across the potential difference of 1 volt.
home building 2002
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A watt is a unit of measure equal to the power produced by a current of 1 amp across the potential difference of 1 volt.
home building 2002
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A watt is a unit of measure equal to the power produced by a current of 1 amp across the potential difference of 1 volt.
home building 2002
-
A watt is a unit of measure equal to the power produced by a current of 1 amp across the potential difference of 1 volt.
home building 2002
-
A watt is a unit of measure equal to the power produced by a current of 1 amp across the potential difference of 1 volt.
home building 2002
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