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reflexion
reflexive
reflexology
refluent
reflux
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reflectivity
re·flec·tiv·i·ty [ r flek tívvətee ] (plural re·flec·tiv·i·ties)


noun 
Definition:
 
ratio of reflected and incident energies: the ratio of the energy of a wave reflected from a surface to the energy of the incident wave.
Symbol  ρ
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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