| indicator | a device for showing the operating condition of some system |
|---|---|
| indicator | a number or ratio (a value on a scale of measurement) derived from a series of observed facts |
| indicator | a signal for attracting attention |
| indicator | (chemistry) a substance that changes color to indicate the presence of some ion or substance |
| indicator | indicator consisting of a light to indicate whether power is on or a motor is in operation |
| indicator | honey guides |