凸折线 tūzhéxiàn convex polygonal line Definitions Defs Origin Strokes Stroke Words Sentences Sents 凸 tū verb protruding to stick out or protrude; convex; describes a male connector. This is the opposite of 凹 āo.折 摺 zhé foldable (bound form) designed to be folded, such as a folding fan or ruler线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point
