a device used to measure how popular someone or something is by the amount that people clap, especially on television programmes

The audience loved his performance and the needle on the clapometer shot up. 观众非常喜欢他的表演，掌声测量计的数值直线上升。

The winner of tonight's talent contest will be decided by clapometer. 今晚才艺比拚的获胜者将由观众的掌声决定。