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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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index finger
index fossil
index fund
Index Librorum Prohibitorum
index-linked
index-linking
index number
Index of Industrial Production
index of refraction
index option
index-tracker
indexation
India (1)
India (2)
India ink
India paper
India rubber
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index of refraction
in·dex of re·frac·tion


noun 
Definition:
 
U.S. ratio of light speeds: the ratio of the speed of refracted light in a vacuum or reference medium to its speed in the medium under examination.
Symbol  n
Canadian term  refractive index
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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