watt-second

[wot-sek-uhnd]

watt-sec·ond

[wot-sek-uhnd]
noun
a unit of energy equal to the energy of one watt acting for one second; the equivalent of one joule.
Also, watt·sec·ond.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Watt-second is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
American Heritage
Science Dictionary
watt-second  
A unit of energy equal to the work done by one watt acting for one second, equivalent to 1 joule.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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