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 molecular volume 添加此单词到默认生词本
【化】 分子体积




    Volume \Vol"ume\, n. [F., from L. volumen a roll of writing, a
    book, volume, from volvere, volutum, to roll. See {Voluble}.]
    1. A roll; a scroll; a written document rolled up for keeping
    or for use, after the manner of the ancients. [Obs.]

    The papyrus, and afterward the parchment, was joined
    together [by the ancients] to form one sheet, and
    then rolled upon a staff into a volume (volumen).
    --Encyc. Brit.

    2. Hence, a collection of printed sheets bound together,
    whether containing a single work, or a part of a work, or
    more than one work; a book; a tome; especially, that part
    of an extended work which is bound up together in one
    cover; as, a work in four volumes.

    An odd volume of a set of books bears not the value
    of its proportion to the set. --Franklin.

    4. Anything of a rounded or swelling form resembling a roll;
    a turn; a convolution; a coil.

    So glides some trodden serpent on the grass,
    And long behind wounded volume trails. --Dryden.

    Undulating billows rolling their silver volumes.
    --W. Irving.

    4. Dimensions; compass; space occupied, as measured by cubic
    units, that is, cubic inches, feet, yards, etc.; mass;
    bulk; as, the volume of an elephant's body; a volume of
    gas.

    5. (Mus.) Amount, fullness, quantity, or caliber of voice or
    tone.

    {Atomic volume}, {Molecular volume} (Chem.), the ratio of the
    atomic and molecular weights divided respectively by the
    specific gravity of the substance in question.

    {Specific volume} (Physics & Chem.), the quotient obtained by
    dividing unity by the specific gravity; the reciprocal of
    the specific gravity. It is equal (when the specific
    gravity is referred to water at 4[deg] C. as a standard)
    to the number of cubic centimeters occupied by one gram of
    the substance.

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