refracted; refracting; refracts

transitive verb

1
a
: to subject (something, such as a ray of light) to refraction
Between them, Kirchhoff and Bunsen developed the spectroscope, which uses a prism to refract light.—Paul Strathern
b
: to alter or distort as if by refraction
"Nope" is his twist on the alien-invasion film as refracted through the prism of [filmmaker] David Lynch.—Cary Darling
Too often Indian food, and later Chinese—then the two most favored and accepted of foreign cuisines—became refracted through the prism of British food.—Nigella Lawson
2
: to determine the refracting power of
refract a lens

intransitive verb

: to be subjected to refraction
The head of the figure is often surrounded by rings of coloured light caused by light diffraction. Like with a rainbow, this is caused by light refracting through tiny droplets of water in the air.—Olivia Jones

Examples of refract in a Sentence

Light is refracted when it hits water.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Around the corner from Palma’s historic hammams in Parc de la Mar, this hotel refracts the medieval heritage of its La Calatrava location through an ultra-contemporary lens. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026 The clothes of Opus Jazz had always belonged to the young people dancing in it; its original dancers appeared in sneakers, tights, and colored tops, everyday staples refracted through 1950s dancewear. — Lilah Ramzi, Vogue, 2 Oct. 2026 Feminine Energy Porodina refracts feminine energy in all her subjects, whether casting Pitt as a psychedelic Ophelia for the cover of GQ, or capturing Ukrainian model Yura Romaniuk’s fluid beauty for Vogue Adria. — Joelle Diderich, Footwear News, 23 Sep. 2026 Day and night aren't exactly 12 hours long on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion that brings more daylight than there really is. — Dinah Voyles Pulver, USA Today, 22 Sep. 2026 See All Example Sentences for refract

Word History

Etymology

Latin refractus, past participle of refringere to break open, break up, from re- + frangere to break — more at break

First Known Use

1563, in the meaning defined at sense 1a

Time Traveler
The first known use of refract was in 1563

Browse Nearby Words

Cite this Entry

“Refract.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refract. Accessed 14 Oct. 2026.

Kids Definition

: to cause to go through refraction

Medical Definition

refract

transitive verb
1
: to subject (as a ray of light) to refraction
2
: to determine the refracting power of or abnormality of refraction in (as an eye or a lens)
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