The Meaning of indicator

• (n.) One who, or that which, shows or points out; as, a fare indicator in a street car.
• (n.) A pressure gauge; a water gauge, as for a steam boiler; an apparatus or instrument for showing the working of a machine or moving part
• (n.) An instrument which draws a diagram showing the varying pressure in the cylinder of an engine or pump at every point of the stroke. It consists of a small cylinder communicating with the engine cylinder and fitted with a piston which the varying pressure drives upward more or less against the resistance of a spring. A lever imparts motion to a pencil which traces the diagram on a card wrapped around a vertical drum which is turned back and forth by a string connected with the piston rod of the engine. See Indicator card (below).
• (n.) A telltale connected with a hoisting machine, to show, at the surface, the position of the cage in the shaft of a mine, etc.
• (n.) The part of an instrument by which an effect is indicated, as an index or pointer.
• (n.) Any bird of the genus Indicator and allied genera. See Honey guide, under Honey.
• (n.) That which indicates the condition of acidity, alkalinity, or the deficiency, excess, or sufficiency of a standard reagent, by causing an appearance, disappearance, or change of color, as in titration or volumetric analysis.

Synonyms

index , index number , indicant

Rhymes

accelerator , accumulator , activator , actuator , administrator , agitator , alligator , allocator , alternator , amphitheater , amphitheatre , animator , applicator , appropriator , arbitrator , ater , aviator , baiter , calculator , carburetor , cater , claytor , cogenerator , collaborator , commentator , communicator , conciliator , coordinator , crater , creator , curator , dater , debater , debator , decatur , decorator , defibrillator , deflator , demonstrator , denominator , detonator , dictator , educator , elevator , equator , escalator , estimator , evaporator , excavator , exterminator , fabricator , facilitator , fetor , flater , frater , freighter , gaiter , gater , gator , generator , gladiator , grater , greater , hater , hayter , illuminator , illustrator , imitator , incinerator , incubator , infiltrator , innovator , instigator , insulator , integrator , interrogator , investigator , kater , later , legislator , lemaitre , liquidator , litigator , locator , manipulator , mater , mediator , mercator , misater , moderator , modulator , navigator , operator , originator , oscillator , pater , percolator , perpetrator , prater , praytor , radiator , rater , refrigerator , regulator , renovator , respirator , satre , schlater , simulator , skater , slater , sleator , speculator , stater , stator , stimulator , straighter , strater , syndicator , tater , terminator , traitor , translator , vanmatre , vater , ventilator , viator , vindicator , violator , waiter , wheelabrator , yater