Part of speech: noun

An instrument for measuring angles.

Part of speech: noun

The quarter of a circle, or of its circumference.

Part of speech: adjective


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Usage examples "quadrant":

  1. During his stay at Augsburg he constructed a quadrant of fourteen cubits radius, on which were indicated the single minutes of a degree; he made many valuable observations with this instrument, which he used in combination with a large sextant. - "The Astronomy of Milton's 'Paradise Lost'", Thomas Orchard.
  2. After a long chase the quadrant was recovered, but some of the smaller parts were missing. - "The Life of Captain James Cook", Arthur Kitson.
  3. I am being held prisoner with Cadet Roger Manning aboard the spaceship Space Knight in space quadrant four, chart C for Charley.... - "Treachery in Outer Space", Carey Rockwell and Louis Glanzman.