in·di·ca·tor 
/ˈɪndəˌkeɪtɚ/ noun
plural in·di·ca·tors /ˈɪndəˌkeɪtɚ/ noun [count] 1 : a sign that shows the condition or existence of something
▪ Economic indicators suggest that prices will go up. — often + of ▪ The size of the new building is an indicator of how much the company has grown. ▪ Her expression is usually a good/reliable indicator of how she's feeling. 2 a : a pointer or light that shows the state or condition of something
▪ a control panel with various indicator lights
b : a device that shows a measurement : gauge
▪ an airspeed indicator
c Brit : turn signal
▪ Economic indicators suggest that prices will go up. — often + of ▪ The size of the new building is an indicator of how much the company has grown. ▪ Her expression is usually a good/reliable indicator of how she's feeling.
▪ a control panel with various indicator lights
b : a device that shows a measurement : gauge
▪ an airspeed indicator
c Brit : turn signal
