'Equiangular spiral' definitions:
Definition of 'Equiangular spiral'
From: GCIDE
- 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]
Definition of 'Equiangular spiral'
From: GCIDE
- 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. [1913 Webster]