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candlepower

 - 4 dictionary results

can⋅dle⋅pow⋅er

[kan-dl-pou-er]
–noun Optics.
(formerly) a measure of luminous intensity expressed in candles.
Also, candle power.


Origin:
1875–80; candle + power
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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can·dle·pow·er   (kān'dl-pou'ər)   
n.   Abbr. cp
Luminous intensity expressed in candelas.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
candlepower   (kān'dl-pou'ər)  Pronunciation Key 
Luminous intensity, expressed in candelas.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

candlepower

unit of luminous intensity in the International System of Units (SI), defined as the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 1012 hertz and has a radiant intensity in that same direction of 1683 watt per steradian (unit solid angle). The candela has replaced the standard candle or lamp as a unit of luminous intensity in calculations involving artificial lighting and is sometimes called the "new candle."

Learn more about candlepower with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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