Definition of indicator in English:
1A thing, especially a trend or fact, that indicates the state or level of something: car ownership is frequently used as an indicator of affluence
More example sentences
- The results suggest that the frequency of publication of financial statements may be an indicator of economic performance.
- Furthermore, the jump in oil prices is reflected in the trade deficit - an indicator of the unsatisfactory level of competitiveness of the Bulgarian economy.
- The most reliable scale is the Global Severity Index, an indicator of general stress level.
2.1 [usually with modifier] A gauge or meter of a specified kind: a speed indicator
More example sentences
- Surely something as simple as an electronic speed indicator, coupled with a 30 mph zone sign, would have effectively targeted the worst offenders.
- The ship's speed indicator jumped forward, as did the ship, leaving the dimmer-witted fighters behind.
- My last recollection was noting 120 mp/h on the air speed indicator, then I ploughed into trees.
2.2British A turn signal.
- Conventional car lighting has a number of elements - headlamps, indicators, brake lights - in set positions.
- Clumsy indicator / fog lights upset the purposeful, shark-like nose and bling-bling chrome filler cap allied with red brake callipers also look out of place.
- Flashing direction indicators for motor vehicles, which will be legal in this country from Friday, were pioneered in Bradford, where they were fitted to some trolley-buses over a year ago.
3 Chemistry A compound that changes color at a specific pH value or in the presence of a particular substance and can be used to monitor acidity, alkalinity, or the progress of a reaction.
- The color change in acid-base indicators is due to a chemical reaction between the indicator and the hydronium ions in the solution.
- This absence of correlation should warn against using CO temperature coefficients of chemical shifts as indicators of a hydrogen bond acceptor.
- Trace elements and oxygen isotopes are useful geochemical indicators of the chemistry of the waters from which the chert precipitated.
4 (also indicator species) An animal or plant species that can be used to infer conditions in a particular habitat.
- The calanoid copepod Lucicutia grandis is an indicator species for this habitat.
- Research indicated the owl is an indicator species whose decline indicates the imperilment of the old-growth forest ecosystem.
- The minnow is an indicator species that suggests the overall health, or sickness, of the entire river ecosystem.
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.