Search Result for "equiangular spiral":
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The Collaborative International Dictionary of English v.0.48:Spiral \Spi"ral\, n. [Cf. F. spirale. See Spiral, a.]
1. (Geom.) A plane curve, not reentrant, described by a
point, called the generatrix, moving along a straight line
according to a mathematical law, while the line is
revolving about a fixed point called the pole. Cf.
Helix.
[1913 Webster]

2. Anything which has a spiral form, as a spiral shell.
[1913 Webster]

Equiangular spiral,a plane curve which cuts all its
generatrices at the same angle. Same as Logarithmic
spiral, under Logarithmic.

Spiral of Archimedes, a spiral the law of which is that the
generatrix moves uniformly along the revolving line, which
also moves uniformly.
[1913 Webster]

The Collaborative International Dictionary of English v.0.48:Equiangular \E`qui*an"gu*lar\, a. [Equi- + angular. Cf.
Equangular.]
Having equal angles; as, an equiangular figure; a square is
equiangular.
[1913 Webster]

Equiangular spiral. (Math.) See under Spiral, n.

Mutually equiangular, applied to two figures, when every
angle of the one has its equal among the angles of the
other.
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