Columbia Encyclopedia
Search results
500 results found
Independent Treasury System
(Encyclopedia)Independent Treasury System, in U.S. history, system for the retaining of government funds in the Treasury and its subtreasuries independently of the national banking and financial systems. In one for...instrument-landing system
(Encyclopedia) CE5 Instrument-landing system (ILS), the most common instrument-landing approach system, uses two beams to guide an airplane. instrument-landing system (ILS), ground-based radio system designed to...international monetary system
(Encyclopedia)international monetary system, rules and procedures by which different national currencies are exchanged for each other in world trade. Such a system is necessary to define a common standard of value ...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...horizon coordinate system
(Encyclopedia)horizon coordinate system: see altazimuth coordinate system. ...Global Positioning System
(Encyclopedia)Global Positioning System: see navigation satellite. ...ring, mathematical system
(Encyclopedia)ring, in mathematics, system consisting of a set R of elements and two binary operations, such that addition makes R a commutative group and multiplication is associative and distributes over addition...pitot static system
(Encyclopedia)pitot static system pētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for aircraft and a distance and speed...peripheral nervous system
(Encyclopedia)peripheral nervous system: see nervous system. ...parasympathetic nervous system
(Encyclopedia)parasympathetic nervous system: see nervous system. ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
