American Heritage® Dictionary of the English Language, Fourth Edition
- n. The branch of physics that deals with light and vision, chiefly the generation, propagation, and detection of electromagnetic radiation having wavelengths greater than x-rays and shorter than microwaves.
Century Dictionary and Cyclopedia
- n. That branch of physical science which treats of the nature and properties of light, of the theory of colors (chromatics), of the change which light suffers either in its qualities or in its course when refracted or transmitted through bodies (dioptrics), when reflected from their surfaces or when passing near them (catoptrics), of the structure of the eye and the laws of vision, and of the construction of instruments of introspection, as telescopes, microscopes, etc.
- n. physics The physics of light and vision.
- n. The light-related aspects of a device.
- n. figuratively Perception, image, public relations.
- n. Plural form of optic.
GNU Webster's 1913
- n. That branch of physical science which treats of the nature and properties of light, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.
- n. the branch of physics that studies the physical properties of light
- n. optical properties
“Also today's rifled slug gun with modern optics is a long way from Uncle Bud's High Standard pump.”
“Even in optics where you usually get what you pay for there are binos etc. that I just can't imagine are worth the price.”
“Su, F. (1990) Technology of our times: people and innovation in optics and optoelectronics.”
“Johnson is being recognized for her internationally acknowledged expertise in optics, optoelectronic switching, and display technology and her commitment to education and the engineering profession.”
“Again, and again, the Thunderf****r Magnum with Nevermiss optics is no substitute for proper marksmanship technique and good shot placement, what ever the arrer any particular Indian chooses to shoot.”
“Newton made numerous contributions to the sciences, including important studies in optics, gravitation, and the development of calculus.”
“All of the optics is bang-on, but I think you are over-stretching the analogy to sound waves a bit.”
“Quantum optics is used as a tool to better understand the theory of quantum mechanics, though a number of highly speculative applications, such as quantum computing and quantum cryptography, are being explored.”
“PD wrote: “All of the optics is bang-on, but I think you are over-stretching the analogy to sound waves a bit.””
“Geometrical optics is commonly used in the design of complicated optical systems, and researchers are studying ways to ‘improve’ the geometric models to provide better overlap with the wave theory of light.”
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Nouns that are common in plural form but are non-existent or rarely used in singular form.
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