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单词 screw axis
释义

Definition of screw axis in English:

screw axis

noun

  • 1The longitudinal axis of a screw.

  • 2Mathematics the longitudinal axis of a helix; an axis of symmetry such that a combination of rotation about it and translation along it constitutes a symmetry operation, but neither does so alone.

Origin

Mid 19th century; earliest use found in The Mechanics' Magazine.

Definition of screw axis in US English:

screw axis

noun

  • 1The longitudinal axis of a screw.

  • 2Mathematics the longitudinal axis of a helix; an axis of symmetry such that a combination of rotation about it and translation along it constitutes a symmetry operation, but neither does so alone.

Origin

Mid 19th century; earliest use found in The Mechanics' Magazine.
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更新时间：2025/3/10 16:23:50