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diffraction

n.
1.when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

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Word of the Day

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  • difficulty
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    Idiom of the Day

    forty winks
    a short nap, a short sleep
    I grabbed forty winks when I got home from work.



    1.
    ___ you know, she's going to take over when the current head retires.

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