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  1. spiral

    • IPA[ˈspīrəl]

    美式

    • adj.
      winding in a continuous and gradually widening (or tightening) curve, either around a central point on a flat plane or about an axis so as to form a cone;winding in a continuous curve of constant diameter about a central axis, as though along a cylinder; helical.
    • n.
      a spiral curve, shape, or pattern;a spiral spring.
    • v.
      move in a spiral course;cause to have a spiral shape or follow a spiral course
    • noun: spiral, plural noun: spirals

    • verb: spiral, 3rd person present: spirals, gerund or present participle: spiralling, past tense: spiralled, past participle: spiralled

    • 釋義
    • 相關詞

    形容詞

    • 1. winding in a continuous and gradually widening (or tightening) curve, either around a central point on a flat plane or about an axis so as to form a cone a spiral pattern
    • winding in a continuous curve of constant diameter about a central axis, as though along a cylinder; helical.
    • (of a stairway) constantly turning in one direction as it rises, around a solid or open center a wrought-iron spiral staircase
    • (of a fracture) curving around a long bone lengthwise.
    • short for spiral-bound

    名詞

    • 1. a spiral curve, shape, or pattern he spotted a spiral of smoke
    • a spiral spring.
    • short for spiral galaxy
    • 2. a progressive rise or fall of prices, wages, etc., each responding to an upward or downward stimulus provided by a previous one an inflationary spiral
    • a process of deterioration through the continuous increase or decrease of a specified feature a downward spiral of sex and drink
    • 3. a pass or kick that moves smoothly through the air while spinning on its long axis.

    動詞

    • adj.
      having or forming a spiral shape: the office's most eye-catching feature is the grand spiralling staircase

    Oxford Dictionary

    • adj.
      having or forming a spiral shape: the office's most eye-catching feature is the grand spiraling staircase

    Oxford American Dictionary

    • n.
      a spiraling downward path taken by an aircraft that is out of control: the plane went into a death spiral and then a nose dive

    Oxford American Dictionary

    • n.
      a spiralling downward path taken by an aircraft that is out of control: the plane went into a death spiral and then a nose dive

    Oxford Dictionary

    • n.
      a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.

    Oxford American Dictionary

    • adj.
      (of a book or notepad) bound with a wire or plastic spiral threaded through a row of holes ...

    Oxford American Dictionary

    • n.
      a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.

    Oxford Dictionary

    • n.
      a spiral such that the angle between the tangent and the radius vector is the same for all ...

    Oxford American Dictionary

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    • IPA[ˈspʌɪr(ə)l]

    英式

    • adj.
      winding in a continuous and gradually widening (or tightening) curve, either round a central ... a spiral pattern
    • n.
      a spiral curve, shape, pattern, or object: a spiral of smoke
    • v.
      move in a spiral course: a wisp of smoke spiralled up from the trees

    Oxford Dictionary

  2. 知識+

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    • logarithmic spiral

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