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v. Present participle of refract.

adj. Serving or tending to refract.

Serving or tending to refract; turning from a direct course.

"Both these features are altered when the light is exposed to a transparent medium of prismatic shape - that is, to an optically resistant medium so shaped that the length of the light's passage through it changes from one side of the beam to the other, being least at the so-called refracting edge of the prism, greatest at the base opposite to that."

refracting system    refracting telescope    refracting surface    doubly refracting spar    refracting dial   

refract   

all-sky    hundred-guinea    11-foot    achromatic    3-1/2-inch