1 a machine that shows information or pictures on a screen like a television; a screen that shows information from a computer （计算机的）显示器；监视器 ☞picture on page S2 见?２页插图

2 a machine that records or checks sth 监测器，探测器（用作记录或检查的机器）: A monitor checks the baby's heartbeat. 监测器检查婴儿的心跳。