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 loop knot 添加此单词到默认生词本
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    loop knot
    [ noun ]
    any of various knots used to make a fixed loop in a rope
    <noun.artifact>


    Loop \Loop\, n. [Cf. Ir. & Gael. lub loop, noose, fold, thong,
    bend, lub to bend, incline.]
    1. A fold or doubling of a thread, cord, rope, etc., through
    which another thread, cord, etc., can be passed, or which
    a hook can be hooked into; an eye, as of metal; a staple;
    a noose; a bight.

    That the probation bear no hinge, nor loop
    To hang a doubt on. --Shak.

    2. A small, narrow opening; a loophole.

    And stop all sight-holes, every loop from whence
    The eye of Reason may pry in upon us. --Shak.

    3. A curve of any kind in the form of a loop.

    4. (Telegraphy) A wire forming part of a main circuit and
    returning to the point from which it starts.

    5. (Acoustics) The portion of a vibrating string, air column,
    etc., between two nodes; -- called also {ventral segment}.

    {Loop knot}, a single knot tied in a doubled cord, etc. so as
    to leave a loop beyond the knot. See Illust. of {Knot}.

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