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Definitions of optical:
  • adjective:   of or relating to or involving light or optics
    Example: "Optical supplies"
  • adjective:   relating to or using sight
    Example: "An optical illusion"
  • adjective:   of or relating to or resembling the eye
    Example: "The optic (or optical) axis of the eye"



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Alternative Terms
visible-spectrum-color-spectrum color-spectrum visible-light-disambiguation spectrum4websiteeval-svg electromagnetic-spectrum eyesight eye electromagnetic-radiation wavelength-3 light upper-atmosphere 1-e-7-m water-annabelle-chvostek-album refractive-index terahertz-radiation nanometre green luminosity-function brown pink magenta triangular-prism optical-window scattering international-commission-on-illumination species insect bee ultraviolet flower sir-isaac-newton opticks johann-wolfgang-von-goethe-2 theory-of-colours roger-bacon latin experiment-3 optics sunlight-cleaning-product glass angle corpuscle refraction newton-s-colour-circle-png red orange-wordnet yellow-bird blue-joni-mitchell-album indigo-3009 violet roy-g-biv sophism solar-system isaac-asimov white photon-2 wave speed-of-light vacuum pulse-dispersion frequency dispersion-relation rainbow-california optical-spectrum earth-disambiguation opacity-optics spectroscopy astronomy-dragonland-album astronomical-spectroscopy diffraction-grating helium sun chemical-element spectral-line blue-shift extrasolar-planet methods-of-detecting-extrasolar-planets doppler-effect radial-velocity metre-per-second color-vision high-energy-visible-light prism-optics rydberg-formula gamma-ray x-ray infrared microwave radio-wave w-band v-band ka-band k-band satellite-bands x-band c-band s-band l-band radio-frequency extremely-high-frequency