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optical character recognition
optical computer
optical disk
optical double star
optical fiber
optical glass
optical illusion
optical isomerism
optical mouse
optical rotation
optical scanner
optical semiconductor
optical sound
optical tweezers
optician
optics
optima
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optical mouse
op·ti·cal mouse (plural op·ti·cal mice)


noun 
Definition:
 
mouse used on reflective pad: a computer mouse that registers a change in position by detecting reflected light from a pair of light-emitting diodes and translating it into cursor movement
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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