Adjective "quadrature" definition and examples

(Quadrature may not be an adjective, but it can be used as an adjective, click here to find out.)



Definitions and examples


The process of constructing a square with an area equal to that of a circle, or of another figure bounded by a curve.
  1. 'Both in-phase and quadrature measurements are recorded.'
  2. 'Craig published several more papers on the logarithmic curve, the curve of quickest descent and quadrature of figures.'
The position of the moon or a planet when it is 90° from the sun as viewed from the earth.
  1. 'When the Sun-Moon system is in quadrature relative to the Earth, the combined gravitational forces are not as strong.'
A phase difference of 90 degrees between two waves of the same frequency, as in the colour difference signals of a television screen.
  1. 'The L5 signal that will appear with the Block IIF satellites in 2006, will have quadrature phase skip keying.'
  2. 'It features RS - 422-compatible quadrature output, and programmable resolution and output frequency.'

More definitions

1. the act of squaring.

2. Mathematics. the act or process of finding a square equal in area to a given surface, especially a surface bounded by a curve. the act or process of finding an area or calculating an integral, especially by numerical methods. a definite integral.

3. Astronomy. the situation of two heavenly bodies when their longitudes differ by 90°. either of the two points in the orbit of a body, as the moon, midway between the syzygies. (of the moon) those points or moments

More examples(as adjective)

"components can be quadrature."


Mid 16th century (as a mathematical term): from Latin quadratura ‘a square, squaring’, from quadrare (see quadrate).