Look up: quadrature

1. 
   Quadrature
   In astronomy, quadrature is the position of the moon or a planet when its longitude differs from that of the sun by 90 degrees.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   quadrature
   [n] - the construction of a square having the same area as some other figure
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   quadrature
   A mathematical term used in radio modulation to mean a four way choice, for example the four phase choices in QPSK (quadrature phase shift keying)
   Found on http://www.flying-boat.co.uk/glossary/
   
   
4. 
   Quadrature
   The position of the Moon or another planet when it is at right angles to the Sun as seen from Earth. An example would be when the Moon is seen at First or Last Quarter phases.
   Found on http://www.delscope.demon.co.uk/astronom
   
   
5. 
   quadrature
   a term applied to the position of two celestial bodies when the difference of their longitudes is 90 degree Category: The cosmos
   Found on http://www.mijnwoordenboek.nl/definition
   
   
6. 
   Quadrature
   Quad'ra·ture noun [ Latin quadratura : confer French quadrature . See Quadrate , adjective ] 1. (Math.) The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curv ...
   Found on http://www.encyclo.co.uk/webster/Q/1
   
   
7. 
   quadrature
   1. <mathematics> The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas. ... 2. A quadrate; a square. ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
8. 
   quadrature
   noun the construction of a square having the same area as some other figure
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
9. 
   Quadrature
   `Quadrature`, derived from Latin `quadrare`, may refer to: In `signal processing`: *Quadrature amplitude modulation (QAM), a modulation method of using both a carrier wave and a 'quadrature' carrier wave that is 90ð out of phase with the main carrier *Quadrature phase, oscillations that are said to be `in quadrature` if they are separated in phase by 90ð *Quadrature filter, the analytic signal of a real-valued filter *Quadrature coupler, see un...
   Found on http://en.wikipedia.org/wiki/Quadrature
   
   
10. 
    Quadrature
    • (a.) The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas. • (a.) The position of one heavenly ...
    Found on http://thinkexist.com/dictionary/meaning
    
    
11. 
    quadrature
    in astronomy, that aspect of a heavenly body in which its direction as seen from the Earth makes a right angle with the direction of the Sun. The ...
    Found on http://www.britannica.com/eb/a-z/q/3
    
    
12. 
    quadrature
    in mathematics, the process of determining the area of a plane geometric figure by dividing it into a collection of shapes of known area (usually ... [2 related articles]
    Found on http://www.britannica.com/eb/a-z/q/3
    
    
13. 
    quadrature
    • (astron.) The configuration when the Moon or a planet lies at angular distance of 90° east or west of the Sun as seen from Earth. • (math.) The determination of the area of a geometric figure. • GEOMETRY
    Found on http://www.daviddarling.info/encyclopedi
    
    
14. 
    quadrature
    quadrature, in astronomy, arrangement of two celestial bodies at right angles to each other as viewed from a reference point. If the reference point is the earth and the sun is one of the bodies, a planet is in quadrature when its elongation is 90°. As viewed from the earth, the half-moon is in ...
    Found on http://www.infoplease.com/ce6/sci/A08407