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2.
is a capacity of accuracy from within a light beam when interchanging mediums, not to be confused with refraction, this constant is to 8dp 1 and should be used to multiply the angle of incidence thus providing a far more accurate result. as stated by Best's law of reflaction.
Bests constant of refrection.

X degrees x #(Bests constant of refrection) = X degrees to greater accuracy.
by John D Bottomley October 04, 2006
 
1.
Can be anything. Also known as the reflection of yourself in someones eyes.

Can only be used while on drugs, sutch as weed,shrooms, alcohol, etc.
WOAH i can totally see my refrection in your eyes!
by Audrie Harless July 17, 2008