semiminor
1semiminor axis — [sem′imī′nər] n. Astron. one half of the shorter axis of an elliptical orbit …
2semiminor — adjective Describing the axis of a parabola at right angles to the semimajor axis …
3semiminor — semi·minor …
4semiminor axis — noun Date: 1909 one half of the minor axis of an ellipse (as that formed by the orbit of a planet) …
5semiminor axis — /sem ee muy neuhr, sem uy , sem ee , sem uy / 1. Geom. one half the minor axis of an ellipse. 2. Astron. one half the minor axis of the ellipse that one celestial body describes around another, as a planet around the sun. [1925 30; SEMI + MINOR]… …
6semiminor axis — sem′i•mi′nor ax′is [[t]ˈsɛm iˈmaɪ nər, ˈsɛm aɪ , ˌsɛm i , ˌsɛm aɪ [/t]] n. 1) math. one half the minor axis of an ellipse 2) one half the minor axis of the ellipse that one celestial body describes around another • Etymology: 1925–30 …
7semiminor axis — noun one half the minor axis of an ellipse (Freq. 1) • Hypernyms: ↑axis • Part Holonyms: ↑minor axis …
8geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …
9Degenerate conic — Main article: Conic section In mathematics, a degenerate conic is a conic (degree 2 plane curve, the zeros of a degree 2 polynomial equation, a quadratic) that fails to be an irreducible curve. This can happen in two ways: either it is a… …
10North American Datum — Triangulation station at Meade s Ranch Fundamental station for the North American Datum of 1927 Geodesy …
