quad.ra.ture
n.(名词)The process of making something square.使某物成方形的过程Mathematics The process of constructing a square equal in area to a given surface.【数学】 求面积:画一个与所给平面面积相等的四方形的过程Astronomy A configuration in which the position of one celestial body is 90= from another celestial body, as measured from a third.【天文学】 方照:一种布局,其中某天体的位置与另一天体成90度,如从第三天体测量