English Explanatory Dictionary

indicator

English dictionary entry

Meanings

noun
  1. A pointer or index that indicates something.
  2. A meter or gauge.
  3. The needle or dial on such a meter.
  4. Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction.
  5. A plant or animal whose presence is indicative of some specific environment.
  6. A measure, such as unemployment rate, which can be used to predict economic trends.
  7. 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. A codeword that marks the use of a specific cryptic device.

Pronunciation

/ˈɪn.dɪˌkeɪ.tə(ɹ)/ EN-AU ck1 indicator.ogg

Word forms

indicator indicators

Etymology

From Late Latin indicātor (“one who points out”), from Latin indicō (“point out”). By surface analysis, indicate + -or; see indicate.

Synonyms

blinker directional directional signal direction indicator trafficator turn indicator turn signal

Related words

index indicate indication indicative

Derived words

acid-base indicator airspeed indicator anagrind attitude indicator bank-and-turn indicator bioindicator bite indicator Burrell indicator chemical indicator coincident indicator concurrent indicator contraindicator dial indicator economic indicator global indicator indicator card indicator diagram indicator function indicator lamp indicator light indicator variable key performance indicator leading indicator ordinal indicator paleoindicator pH indicator phytoindicator rate of climb indicator rate-of-climb indicator redox indicator route indicator subindicator tactile ground surface indicator tactile walking surface indicator tone indicator turn-and-bank indicator wetness indicator
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