rec.tan.gu.lar
adj.Abbr. rect.(形容词)缩写 rect.Having the shape of a rectangle.矩形的:具有矩形形状的Having one or more right angles.成直角的:具有一个或多个直角的Designating a geometric coordinate system with mutually perpendicular axes.直角坐标的:表明是具有相互垂直的轴的几何坐标体系的
【引伸】
rectan.gular.ity
rectan.gularly
adv.(副词)