Definition of "indicator" in Anglais

noun

1. A pointer or index that indicates something.

2. A meter or gauge.

3. The needle or dial on such a meter.

4. (chemistry) Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction.

5. (ecology) A plant or animal whose presence is indicative of some specific environment.

6. (economics) A measure, such as unemployment rate, which can be used to predict economic trends.

7. (UK, Australia, New Zealand, Ireland, South Africa, automotive) A turn signal; each of the flashing lights on each side of a vehicle which indicate a turn is being made to left or right, or a lane change etc.

8. A bird, the honeyguide.

9. (crosswording) A codeword that marks the use of a specific cryptic device.