pho·​tic | \ ˈfō-tik How to pronounce photic (audio) \

Definition of photic

1 : of, relating to, or involving light especially in relation to organisms
2 : penetrated by light especially of the sun the photic zone of the ocean

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Other Words from photic

photically \ ˈfō-​ti-​k(ə-​)lē How to pronounce photically (audio) \ adverb

Examples of photic in a Sentence

Recent Examples on the Web More than 35% of us sneeze when suddenly exposed to a bright light, according to Scientific American — a phenomenon that's commonly known as photic sneeze reflex, or ACHOO (Autosomal Compelling Helio-Ophthalmic Outburst). Zee Krstic, Good Housekeeping, "Why Sneezing Is Actually So Good for Your Health," 10 Feb. 2020 Each time the whale shark came up to the photic zone to trawl for plankton, the bob would rise to the surface and (with luck) be detected by one of a network of orbiting satellites. Ryan P. Smith, Smithsonian, "What the Longest Known Whale Shark Migration Ever Tells Us About Conservation," 8 May 2018 Most such solar, or photic, retinopathy is temporary, manifesting as spots in the visual field—like after a camera flashes in your eyes. James Hamblin, The Atlantic, "The President Who Looked at the Sun," 21 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of photic

1843, in the meaning defined at sense 1

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Time Traveler for photic

Time Traveler

The first known use of photic was in 1843

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Cite this Entry

“Photic.” Dictionary, Merriam-Webster, Accessed 26 Nov. 2020.

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More Definitions for photic


pho·​tic | \ ˈfōt-ik How to pronounce photic (audio) \

Medical Definition of photic

: of, relating to, or involving light especially in relation to organisms photic stimulation

Other Words from photic

photically \ ˈfōt-​i-​k(ə-​)lē How to pronounce photically (audio) \ adverb

Comments on photic

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