refractive

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

From refract + -ive.

It is highly prized by mineralogists on account of its double refractive qualities. — Wealth of the World's Waste Places and Oceania, Jewett C. (Jewett Castello) Gilson
It was perceptibly larger; in the clear refractive sky of the tropics it seemed as if it were nearly a quarter the size of the moon. — Tales of Space and Time, H. G. (Herbert George) Wells
"The system of reflectors catches all of the light thus produced except the relatively small portion which goes initially in the right direction, and directs it on this quartz prism where, due to the refractive powers of the prism, the light is broken up into its component parts. — Astounding Stories of Super-Science January 1930, Unknown

refractile

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