单词 | spherical geometry |
释义 | sphere /sfēr/noun
ORIGIN: Gr sphaira sphērˈal adjective sphered adjective sphereˈless adjective sphereˈlike adjective spheric /sferˈik/ or spherˈical adjective
sphericalˈity noun spherˈically adverb spherˈicalness or sphericity /-isˈi-ti/ noun The state or quality of being spherical spheristēˈrion noun (Gr sphairistērion) a room or court for ball games spherˈocyte noun An abnormal red blood cell that is spherical rather than disc-shaped spherocytoˈsis noun The presence of spherocytes in the blood, as in certain haemolytic anaemias sphēˈroid noun A form of ellipsoid that is a body or figure which is nearly, but not quite, spherical (oblate spheroid a slightly flattened sphere; prolate spheroid a slightly lengthened sphere) sphēroiˈdal adjective sphēroidiˈcity noun sphēroidizāˈtion or sphēroidisāˈtion noun sphērˈoidize or sphērˈoidise transitive verb To develop spherulitic or granular structure in sphēromˈeter noun An instrument for measuring curvature of surfaces spherūlar /sferˈ/ adjective spherˈūle noun A small sphere or spherical object spherˈūlite noun A radiating spherical group of minute crystalline fibres occurring in certain rocks spherūlitic /-litˈik/ adjective sphēˈry adjective
sphereˈ-born adjective (Milton) Of celestial origin spherical aberration noun (physics, optics) Loss of image definition which occurs when light strikes a lens or mirror with a spherical surface spherical angle noun An angle formed by arcs of great circles on the surface of a sphere spherical coordinates plural noun A set of coordinates locating a point in three-dimensional space spherical geometry noun The branch of geometry dealing with the properties of figures on the surface of spheres spherical polygon noun A closed figure bounded by three or more arcs of great circles on the surface of a sphere spherical triangle noun A three-sided figure on the surface of a sphere, bounded by arcs of great circles spherical trigonometry noun The branch of trigonometry concerned with the measurement of these music (or harmony) of the spheres The music, inaudible to mortal ears, produced according to Pythagoras by the motions of the celestial spheres in accordance with the laws of harmony sphere of influence Any region over which one nation has a dominant influence |
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