角距，即角距离，也称为角分离、视距离、或视分离，在数学(特别是几何学和三角学)和自然科学(包括天文学、地质学等等)，从不同于两个点物体的位置（即第三点）观察这两个物体，由观测者指向这两个物体的直线之间所夹角度的大小。角距离(或分离)与角度本身是同义的，但意义却是对两个天体(对恒星，是当从地球观测)之间线距离的建议(通常是很大或未知的)。
n. argument
misc. angular distance ; angle pitch
利用星间角距和投影原理的性质来验证星图模拟的有效性。
The validity of simulating star map is verified by using the angle-distance of stars and projection theorem.
左听三诊的上角位置较高，它的上角、内侧角距后正中线的距离较近。
The left triangle of auscultation was at a higher position than the right one, and the upper and medial angles were closer to the posterior median line.
本文对佳木斯地区100例胎尸发旋的位置、方向、旋顶问距及角距正中角度进行了观测。
The hair rotations of 100 fetal corpses over Jiamusi District were observed and their positions, orientations, angles and intervals between head top and the hair rotation were discussed.
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