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optical phenomenon

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

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Word of the Day

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  • optical opacity
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  • optical maser
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  • optical lens
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  • optical instrument
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  • optical illusion
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  • optical glass
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  • optical fusion
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  • optical flint
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  • optical fibre
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  • optical fiber
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  • optical prism
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  • optical pyrometer
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  • optical telescope
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  • optically
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  • optician
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  • optimal
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  • optimally
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  • optimisation
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  • optimise
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  • marquette
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  • slop jar
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  • mcmaster
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  • airless
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  • electrocautery
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  • genus monarda
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  • dizygotic twin
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  • omega-3 fatty acid
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    Idiom of the Day

    piggy bank
    a small bank (sometimes in the shape of a pig) for saving coins
    The girl put all of her spare money into her piggy bank.



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