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"an optical illusion"adjectiverelating to or using sight
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nounthe organ of sighttype of:part of:
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"the optic (or optical) axis of the eye"adjectiveof or relating to or resembling the eye
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Definition that contains optic
- finder optical device that helps a user to find the target of interest
- prism optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
- optics optical properties
- grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
- viewfinder optical device that helps a user to find the target of interest
- reflector optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
- diffusor optical device that distributes the light of a lamp evenly
- diffuser optical device that distributes the light of a lamp evenly
- optical crown glass optical glass of low dispersion and low refractive index
- kerr cell optical device consisting of a transparent cell with two electrodes between two polarizing media; passes light only if the two planes of polarization are parallel; used as a high-speed shutter or to modulate a laser beam