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adj. That can be refracted: refrangible rays of light.

adj. That may be refracted

adj. Capable of being refracted, or turned out of a direct course, in passing from one medium to another, as rays of light.

Capable of being refracted in passing from one medium to another, as rays of light. The violet rays in the spectrum are more refrangible than those of greater wave-length, as the red rays.

"The calculation may be related to Edward Hussey Delaval's work on this subject, read at the Royal Society of London in January 1765 and published as a pamphlet later that year. 6 In that paper, Delaval related color to density, as specific gravity, suggesting that greater density should reflect the more refrangible rays. reference"

refrangibility   

higher-energy    undeflected    slanty    directer    non-luminous