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optical illusion

n.
1.an optical phenomenon that results in a false or deceptive visual impression

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Word of the Day

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  • optical glass
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  • optical disc
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  • optical instrument
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  • optical maser
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  • optical opacity
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  • optical phenomenon
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  • optical prism
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    Idiom of the Day

    no skin off (someone's) teeth/nose
    no difficulty for someone
    It will be no skin off my teeth if the meeting is canceled.



    1.
    Linking verb'is another way of saying 'dynamic verb'.

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