indicator
Concise Oxford English Dictionary © 2008 Oxford University Press:
indicator/ˈɪndɪkeɪtə(r)/
▶noun
- 1 a thing that indicates a state or level.
- 2 a gauge or meter of a specified kind.
- 3 Brit. a flashing light on a vehicle to show that it is about to change lanes or turn.
- 4 Brit. an information board or screen in a railway station, airport, etc.
- 5 Chemistry a compound which changes colour at a specific pH value or in the presence of a particular substance, and can be used to monitor a chemical change.
'indicator' also found in these Oxford entries:
ASI
- barometer
- bellwether
- bioindicator
- blinker
- clump
- compass card
- cursor
- Ernie
- fluorescein
- gnomon
- hazard lights
- index
- indicate
- magnetic needle
- phenolphthalein
- pilot light
- sentinel
- signpost
- trafficator
- universal indicator
