quadrant

      音标：['kwɒdrәnt]
      n. 四分之一圆, 象限, 象限仪
      【医】 四分体, 象限
      在线英汉词典
quadrant的短语、例句：
      quadrant n 1 quarter of a circle or of its circumference 圆的或圆周的四分之一; 象限. =>illus at circle 见circle插图. 2 instrument with an arc of 90 marked off in degrees, for measuring angles 象限仪; 四分仪.