Definition of Sector of a sphere. Meaning of Sector of a sphere. Synonyms of Sector of a sphere

Here you will find one or more explanations in English for the word Sector of a sphere. Also in the bottom left of the page several parts of wikipedia pages related to the word Sector of a sphere and, of course, Sector of a sphere synonyms and on the right images related to the word Sector of a sphere.

Definition of Sector of a sphere

Sector of a sphere
Sector Sec"tor, n. [L., properly, a cutter, fr. secare, sectum, to cut: cf. F. secteur. See Section.] 1. (Geom.) A part of a circle comprehended between two radii and the included arc. 2. A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale. 3. An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector. Dip sector, an instrument used for measuring the dip of the horizon. Sector of a sphere, or Spherical sector, the solid generated by the revolution of the sector of a circle about one of its radii, or, more rarely, about any straight line drawn in the plane of the sector through its vertex.

Meaning of Sector of a sphere from wikipedia

- A sphere (from Gr**** σφαῖρα, sphaîra) is a geometrical object that is a three-dimensional analogue to a two-dimensional circle. Formally, a sphere is the...
- a spherical sector, also known as a spherical cone, is a portion of a sphere or of a ball defined by a conical boundary with apex at the center of the...
- MapReduce technology. Sector is a distributed file system targeting data storage over a large number of commodity computers. Sphere is the programming architecture...
- sector is also called the third sector, community sector, and nonprofit sector, in contrast to the public sector and the private sector. Civic sector...
- a circular arc Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc Spherical sector, a portion of a sphere enclosed by a cone of radii...
- private sphere is the complement or opposite to the public sphere. The private sphere is a certain sector of societal life in which an individual enjoys a degree...
- public sector, also called the state sector, is the part of the economy composed of both public services and public enterprises. Public sectors include...
- In geometry, a spherical cap or spherical dome is a portion of a sphere or of a ball cut off by a plane. It is also a spherical segment of one base, i...
- sphere sovereignty (Dutch: soevereiniteit in eigen kring), also known as differentiated responsibility, is the concept that each sphere (or sector) of...
- Sphere (formerly known as the Sphere Project) is a global movement started in 1997 aiming to improve the quality of humanitarian ****istance. The Sphere...