Thursday, November 26, 2015


quadrature (plural quadratures)
  1. the process of making something square; squaring
  2. (mathematics) [1]  [quotations ▼]
  3. (astronomy) a situation in which three celestial bodies form a right-angled triangle, the observer being located at the right angle
    When the Moon is in quadrature, it appears in the sky as a half-moon.
  4. (physics) the condition in which the phase angle between two alternating quantities is 90°
  5. (art) A painting painted on a wooden panel

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