Definition of equiangular spiral in English:

equiangular spiral


  • A spiral such that the angle between the tangent and the radius vector is the same for all points of the spiral.

    Also called logarithmic spiral
    • ‘The evolute and the involute of an equiangular spiral is an identical equiangular spiral.’
    • ‘A sawtooth road, for instance, requires a wheel pasted together from pieces of an equiangular spiral.’
    • ‘The purpose of this article is to develop the parametric equation for the plane curve of the equiangular spiral.’
    • ‘Given a set of equiangular lines, let c be the cosine of the common angle.’