Simple Definition of indicator
: a sign that shows the condition or existence of something
: a pointer or light that shows the state or condition of something
: a device that shows a measurement
Full Definition of indicator
1 : one that indicates: as a : an index hand (as on a dial) : pointer b (1) : gauge 2b, dial 4a (2) : an instrument for automatically making a diagram that indicates the pressure in and volume of the working fluid of an engine throughout the cycle
2 a : a substance (as litmus) used to show visually (as by change of color) the condition of a solution with respect to the presence of a particular material (as a free acid or alkali) b : tracer 4b
3 : an organism or ecological community so strictly associated with particular environmental conditions that its presence is indicative of the existence of these conditions
4 : any of a group of statistical values (as level of employment) that taken together give an indication of the health of the economy
Examples of indicator in a sentence
Economic indicators suggest that prices will go up.
a control panel with various indicator lights
First Known Use of indicator
Rhymes with indicator
abdicator, abnegator, activator, actuator, adulator, advocator, agitator, alligator, allocator, animator, annotator, applicator, arbitrator, aspirator, aviator, brachiator, buccinator, calculator, calibrator, captivator, carburetor, castigator, circulator, commentator, commutator, compensator, compurgator, concentrator, confiscator, congregator, consecrator, consummator, contemplator, corporator, correlator, cultivator, decorator, defalcator, delegator, demonstrator, denigrator, depredator, desecrater, designator, detonator, deviator, dissipater, dominator, dura mater, educator, elevator, emulator, escalator, estimator, excavator, explicator, expurgator, extirpator, fabricator, fascinator, figure skater, flocculator, formulator, fornicator, fractionator, fumigator, generator, gladiator, hesitater, hibernator, imitator, immolator, impregnator, incubator, infiltrator, in-line skater, innovator, inhalator, inspirator, instigator, insulator, integrator, lacrimator, liberator, liquidator, literator, lubricator, macerator, masticator, mediator, mitigator, moderator, modulator, motivator, mutilator, navigator, nomenclator, nominator, numerator, obturator, operator, orchestrator, oscillator, peculator, percolator, perforator, perpetrator, pia mater, pollinator, postulator, procreator, procurator, promulgator, propagator, punctuator, radiator, re-creator, remonstrator, renovator, resonator, respirator, revelator, roller skater, rubricator, rusticator, salivator, second-rater, selling-plater, separator, simulator, stimulator, subjugator, Sunset Crater, syncopator, syndicator, tabulator, terminator, vaccinator, vacillator, valuator, venerator, ventilator, vindicator, violator, vitiator
INDICATOR Defined for Kids
Medical Definition of indicator
: a substance (as a dye) used to show visually (as by a change in color) the condition of a solution with respect to the presence of a particular material (as a free acid or alkali) <litmus and phenolphthalein are acid-base indicators>
Learn More about indicator
Thesaurus: All synonyms and antonyms for "indicator" Medical Dictionary: Definition of "indicator" Spanish Central: Translation of "indicator" Nglish: Translation of "indicator" for Spanish speakers Britannica English: Translation of "indicator" for Arabic speakers Britannica.com: Encyclopedia article about "indicator"
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