That can be refracted: refrangible rays of light. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "refrangible" in a sentence
"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"
"When we say that the blood circulates, that the air is weighty, that the rays of the sun are a bundle of seven refrangible rays, it follows not that we are of the sect of Harvey, of Torricelli, or of"
"Finsen's stroke of genius in his later work was to attempt to make therapeutic use of the powerful biological effects of highly refrangible rays."