dioptric

adjective
di·​op·​tric | \ dī-ˈäp-trik How to pronounce dioptric (audio) \

Definition of dioptric

: refractive specifically : assisting vision by refracting and focusing light

First Known Use of dioptric

1653, in the meaning defined above

History and Etymology for dioptric

Greek dioptrikos of a diopter (instrument), from dioptra

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Time Traveler for dioptric

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The first known use of dioptric was in 1653

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Cite this Entry

“Dioptric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dioptric. Accessed 31 Oct. 2020.

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More Definitions for dioptric

dioptric

adjective
di·​op·​tric | \ (ˈ)dī-ˈäp-trik How to pronounce dioptric (audio) \
variants: also dioptrical \ -​tri-​kəl How to pronounce dioptrical (audio) \

Medical Definition of dioptric

1 : producing or serving in refraction of a beam of light : refractive specifically : assisting vision by refracting and focusing light the dioptric power of a lens
2 : produced by means of refraction dioptric images

Other Words from dioptric

dioptrically \ -​tri-​k(ə-​)lē How to pronounce dioptrically (audio) \ adverb

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