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optical flint

n.
1.optical glass of high dispersion and high refractive index

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Word of the Day

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    Idiom of the Day

    not buy (something)
    to not accept something to be true
    I do not buy the excuse that the man does not have enough money to pay for his dinner.



    1.
    I don't remember where I wrote her number ________; it's on a little piece of paper somewhere

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