Dictionary Definition
indicator
Noun
1 a number or ratio (a value on a scale of
measurement) derived from a series of observed facts; can reveal
relative changes as a function of time [syn: index, index
number, indicant]
2 a signal for attracting attention
3 a device for showing the operating condition of
some system
4 (chemistry) a substance that changes color to
indicate the presence of some ion or substance; can be used to
indicate the completion of a chemical reaction or (in medicine) to
test for a particular reaction
User Contributed Dictionary
English
Noun
- a pointer or index that indicates something
- a meter or gauge
- the needle or dial on such a meter
- any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction
- a plant or animal whose presence is indicative of some specific environment
- a measure, such as unemployment rate, which can be used to predict economic trends
- a trafficator
Derived terms
Translations
pointer
- Finnish: osoitin, indikaattori
- Swedish: indikator
- Telugu: సూచిక (soochika)
meter or gauge
- Finnish: mittari, mittalaite
- Swedish: mätare ,
needle or dial on a meter
- Finnish: osoitin, indikaattori
- Swedish: indikator
- Telugu: సూచిక (soochika)
chemical
- Finnish: indikaattori
- Swedish: -indikator (e.g. pH-indikator)
indicative animal or plant
- Finnish: indikaattorilaji
economic measure
- Czech: ukazatel
- Finnish: indikaattori
- Swedish: indikator
- Telugu: సూచిక (soochika)
trafficator
- Finnish: suuntavilkku
Extensive Definition
Indicator may mean:
- pH indicator, a chemical detector for protons in acid-base titrations
- Redox indicator, a chemical detector for redox titrations
- Complexometric indicator, a chemical detector for metal ions in complexometric titrations
- Zeta potential, a property of interfaces in fluids for Zeta potential titration
- Dial indicator, an instrument that measures small distances
- Indicator, a genus of birds in the honeyguide family
- Automotive lighting of an automobile
- Economic indicator or business indicator
- Ecological indicator of ecological health
- Indicator function of a subset of the domain, a concept in mathematics
indicator in German: Indikator
(Begriffsklärung)
indicator in French: Indicateur
indicator in Dutch: Indicator
indicator in Portuguese: Indicador
indicator in Slovak: Indikátor
indicator in Serbian: Indikator
indicator in Finnish: Indikaattori
indicator in Chinese: 指示剂
Synonyms, Antonyms and Related Words
Fathometer, JP, Justice, arbiter, arbitrator, badge, banner, bencher, bob, character, characteristic, control
indicator, count-rate meter, critic, current indicator,
density indicator, depth sounder, detonation indicator, device, differentia, display, earmark, echo sounder, fault
lamp, flowmeter,
galvanometer,
gauge, hallmark, his honor, his
lordship, his worship, humidity indicator, hygrometer, idiosyncrasy, image, index, indicant, insignia, interferometer,
ionization gauge, judge,
justice, keynote, lead, liquid-level indicator, load
indicator, logger,
magistrate, mark, measure, meter, moderator, needle, note, pH meter, peculiarity, picture, plumb, plumb bob, plumb line,
plummet, pointer, potentiometer, probe, property, psychometer, pyrometer, referee, representation, representative, seal, sigil, sign, signal, signature, sound, space probe, stamp, sure sign, symptom, telltale sign, thermocouple, time-interval
meter, trait, turn
indicator, umpire,
vibration meter, voltage indicator