helix

Part of speech: noun

A spiral, as a screw- thread.

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Usage examples "helix":

  1. Unfortunately, the angle at which the artist chose to show us this cutter is not a view from which it is possible to judge whether or not the tool has been made to conform to the helix angle of the thread to be cut. - "Screw-Thread Cutting by the Master-Screw Method since 1480", Edwin A. Battison.