二等分线 èrděngfēnxiàn bisector Definitions Defs Origin Strokes Stroke Words Sentences Sents 二等分 èrděngfēn to bisect; bisection to divide, or the act of dividing, something into two equal parts (as a line, surface, or solid)线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point