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Definition
relating to sight or lightMore rarely, optics can be used as a noun to denote a lens — such as is found in a microscope or camera.
- an optical illusion
- the optic nerve
- fiber-optic cable to the home
- corrected the Hubble telescope's optics
- But, on the other hand, they connect diagonally, and the sprawling outlines run off in great slanting waves of optic horror, like a lot of wallowing seaweeds in full chase.Charlotte Perkins Gilman -- The Yellow Wallpaper
- He experiences himself, his thoughts and feelings, as something separated from the rest—a kind of optical delusion of his consciousness.Neal Shusterman -- Unwind
- He fiddled with optical illusions, and took to wearing his shoes too small and his clothes too big.Michael Lewis -- The Blind Side
- Prisoner 66730 was instructed to report for an optical fitting at 6:30 the following morning.Corrie ten Boom -- The Hiding Place
- If it were his eyeballs only that were affected, or if his optic nerve were not wholly destroyed, the explanation was simple.Jack London -- Sea Wolf
- The hairpin crown was an optical illusion: it's just hair, graying and cropped short.Margaret Atwood -- Cat's Eye
- She focused on me as if I were a clever optical illusion.Rick Riordan -- The Hidden Oracle
- But as his brain swelled with internal bleeding, bone or bullet fragments that were in his eye severed his optic nerves.Chris Kyle -- American Sniper
- The train situation is not the same as an optical illusion.Susanna Kaysen -- Girl Interrupted
- Surveying instruments and helmet binoculars were all we turned up, plus optical instruments confiscated in Terran labs.Robert A. Heinlein -- The Moon is a Harsh Mistress
- Finding clear evidence that the right eye's optic nerve has somehow been cut, he decides to reexamine.Bill O'Reilly and Martin Dugard -- Killing Lincoln
- At the time I will confess that I thought chiefly of the Philosophical Transactions and my own seventeen papers upon physical optics.H.G. Wells -- The Time Machine
- At first Vic thought he hadn't seen right; it was some sort of optical illusion.Stephen King -- Cujo
- It even got so that almost at will I could produce an optical illusion.Robert Penn Warren -- All the King's Men
- It's only an optical what-do-you-call-it.C.S. Lewis -- Prince Caspian: The Return to Narnia
- Thelma was an optical illusion, a woman's head on top of a stepladder; and she had been golden-haired and young, and had smiled invitingly.Eudora Welty -- The Collected Stories of Eudora Welty
optic = relating to sight
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