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ultracentrifuge

n.
1.a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins ultracentrifuge v.
1.subject to the action of an ultracentrigue

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    Idiom of the Day

    not worth one's while
    to be not worth bothering about
    It is not worth my while to go downtown if it is only to do one thing.



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    Extrinsic

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