三角測量 sānjiǎocèliáng triangulation Origin Definitions Defs Strokes Stroke Words Sentences Sents 三角 sānjiǎo noun triangle a shape with three sides and three angles; an object in the shape of a triangle测量 測量 cèliáng noun surveying the science, profession, or process of determining the terrestrial or geographic positions of points (geodetic survey)