| 释义 |
equiangular, a. Geom.|iːkwɪˈæŋgjʊlə(r)|
[f. equi- + angular.]
Having equal angles. a. Having all its angles equal. b. Having angles respectively equal with those of another figure, or making equal angles with a line. equiangular spiral (see quot. 1884).
1660Barrow Euclid i. def. 28 b, An Equiangular or equal-angled figure is that whereof all the angles are equal. 1721–1800in Bailey. 1756Simpson Euclid (Jod.), A circle may be inscribed in a given equilateral and equiangular quindecagon. 1786Phil. Trans. LXXVI. 21 The method employed to make the threads of the screw equiangular with the axis. 1840Lardner Geom. 119 Mutually equiangular, and..therefore similar. 1854Woodward Mollusca ii. 223 Beak prominent, area equiangular. 1884B. Williamson Diff. Calculus xii. 223 In the logarithmic spiral..the angle between the radius vector and the tangent is constant. On account of this property the curve is also called the equiangular spiral. |