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drag coefficient

n.
1.the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body

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    Idiom of the Day

    Tell it to Sweeney.
    I do not believe you, stop trying to fool me
    "Tell it to Sweeney," I said to my friend when he began talking about his plans.



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    The ________ fact that he tried to help doesn't excuse him.

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    Invention
    Invention : genetic engineering
    Year : 1973
    Inventor : stanley n. cohen, herbert w. boyer
    Country : us.      .. More >>
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