Reference > American Heritage® > Dictionary > Illustrations > refraction
  refracting telescope regardant  
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The American Heritage® Dictionary of the English Language: Fourth Edition.   2000.
 
refraction.
 
 
refraction of light;
i: angle of incidence;
r: angle of refraction
(Source: Academy Artworks)
 
The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.
 
CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
  refracting telescope regardant  
 
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