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point source

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Source Point at Amazon
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point source

 
Use point source in a Sentence
–noun Physics, Optics.
a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.
Origin:
1900–05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Source Point at Amazon
Low prices on new & used music. Qualified orders over $25 ship free
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point source  
n.  A source, especially of pollution or radiation, occupying a very small area and having a concentrated output.
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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Medical Dictionary

point source n.
A source, especially of pollution or radiation, occupying a very small area and having a concentrated output.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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