in·di·ca·tor/`ɪndəˏketə; ˈɪndɪkeɪtə/ n [C] 1 an event, fact etc that shows that something exists or shows you the way something is developing 指示物; 指示者: All the main economic indicators suggest that business is improving. 所有主要的经济指标都显示商业情况已有好转。 2BrE one of the lights on a car which show which way it is going to turn 【英】 〔车辆的〕转弯指示灯; TURN SIGNAL AmE 【美】