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central nervous system

(Encyclopedia)central nervous system: see nervous system. ...

horizon coordinate system

(Encyclopedia)horizon coordinate system: see altazimuth coordinate system. ...

altazimuth coordinate system

(Encyclopedia)altazimuth coordinate system ăltăzˈəməth [key] or horizon coordinate system, astronomical coordinate system in which the position of a body on the celestial sphere is described relative to an obs...

galactic coordinate system

(Encyclopedia)galactic coordinate system, astronomical coordinate system in which the principal axis is the galactic equator (the intersection of the plane of the Milky Way with the celestial sphere) and the refere...

national bank

(Encyclopedia)national bank, in the United States, financial institution of a class authorized by Congress in acts of 1863 and 1864. The acts were intended to provide a way of marketing the large bond issues made n...

ecliptic coordinate system

(Encyclopedia)ecliptic coordinate system, an astronomical coordinate system in which the principal coordinate axis is the ecliptic, the apparent path of the sun through the heavens. The ecliptic poles are the two p...

free enterprise system

(Encyclopedia)free enterprise system: see capitalism. ...

transdermal delivery system

(Encyclopedia)transdermal delivery system: see skin patch. ...

Global Positioning System

(Encyclopedia)Global Positioning System: see navigation satellite. ...

Farm Credit System

(Encyclopedia)Farm Credit System: see Farm Credit Administration. ...