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optative
optic
optic axis
optic chiasma
optic cup
optic disk
optic nerve
optic vesicle
optical
optical activity
optical art
optical brightener
optical character reader
optical character recognition
optical computer
optical disk
optical double star
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optical

op·ti·cal [ óptik'l ]


adjective 
Definition:
 
1. of vision: belonging or relating to the sense of sight

2. physics of visible light: relating to or producing light that can be seen

3. light-sensitive: describes an instrument or device that is sensitive to light

4. ophthalmology of corrective lenses: describes a lens designed to correct or enhance faulty vision

5. physics of optics: belonging or relating to the science of optics


op·ti·cal·ly adverb
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