Mathematics. A geometric figure consisting of all those points satisfying a particular equation or other mathematical relation; the geometric figure…
| 单词 | θ115767 |
| 释义 | the world > relative properties > number > geometry > curve > [noun] > locus (20) locus1675 Mathematics. A geometric figure consisting of all those points satisfying a particular equation or other mathematical relation; the geometric figure… evolute1704 Geometry. A curve which is the locus of the centres of curvature of another curve, or the envelope of all its normals (normal, n. 1). Contrasted with… place1704 technical. Geometry. = locus, n.1 2. Obsolete. rare. trajectory1795 Geometry. A curve or surface passing through a given set of points, or intersecting each of a given series of curves or surfaces according to a given… syntractory1820 focal surface1828 (a) Geometry a surface formed by the centres of curvature of a surface; = evolute, n. 1a; (b) Optics an imaginary curved (usually spherical) surface… synharmonic1850 (a) adj. having a common harmonic relation; (b) n. a locus synharmonic with another. syntractrix1852 The locus of a point on the tangent to a tractrix at a constant distance from its intersection with the axis. pedal1862 Geometry. A curve or surface which is the locus of all the points where lines drawn from a fixed point perpendicularly intersect the tangents to… umbilical focal conic1862 a focal conic formed by the umbilics of its associated quadric surface. umbilical focal conic1862 Geometry. Forming, or pertaining to, an umbilicus. stigmatic1863 Geometry. The aggregate of the curves traced by the points called stigmata (stigma, n. 7); in plural stigmatic geometry: see quot. 1863. synchronism1867 Geometry. The property of being synchronous, as a curve (see synchronous, adj. 1c); spec. of a great circle (see circle, n. 2a), the property… synchronous curve1867 (Geometry), a curve which is the locus of the points reached at any instant by a number of particles descending from the same point down a family of… Steinerian1873 The locus of points whose first polars with respect to a given curve have double points. tac-locus1873 The locus of the points of contact of two curves of different families, or of two non-consecutive curves of the same family. strophoid1880 (See quot. 1880.) orthoptic locus1882 the locus of the intersection of two tangents to a curve that are at right angles to each other; cf. orthocycle n. at ortho-, comb._form affix 1. strophoidal1908 hypercycle1909 In Lobachevskian geometry, a curve consisting of all points at the same perpendicular distance from a particular straight line. |
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