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optical phenomenon

n.
1.a physical phenomenon related to or involving light

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  • optical opacity
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  • optical instrument
  • optical illusion
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  • optimally
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  • Idiom of the Day

    reach an impasse
    to get to a point where progress is impossible
    The negotiations on where to build the new bridge have reached an impasse.



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    recant

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    Scientific Instruments & Appliances
    Scientific Instruments & Appliances
    stroboscope
    is an instrument used for viewing the objects moving rapidly with a periodic motion and to see them as if they were at rest.      .. More >>
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