indicator : Idioms & Phrases


absorption indicator

  • noun an indicator used in reactions that involve precipitation
WordNet

acid-base indicator

  • noun an indicator that changes color on going from acidic to basic solutions
WordNet

Fare indicator ∨ register

  • a device for recording the number of passengers on a street car, etc.
Webster 1913

flight indicator

  • noun a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot
    gyro horizon; artificial horizon.
WordNet

fuel indicator

  • noun an indicator of the amount of fuel remaining in a vehicle
    fuel gauge.
WordNet

Indicator card

  • the figure drawn by an engine indicator, by means of which the working of the engine can be investigated and its power calculated. The Illustration shows one form of indicator card, from a steam engine, together with scales by which the pressure of the steam above or below that of the atmosphere, corresponding to any position of the engine piston in its stroke, can be measured. Called also indicator diagram.
Webster 1913

indicator lamp

  • noun indicator consisting of a light to indicate whether power is on or a motor is in operation
    pilot lamp; pilot light.
WordNet

Indicator telegraph

  • a telegraph in which the signals are the deflections of a magnetic needle, as in the trans-Atlantic system.
Webster 1913

leading indicator

  • noun one of 11 indicators for different sections of the economy; used by the Department of Commerce to predict economic trends in the near future
WordNet

Low water alarm ∨ indicator

  • (Steam Boiler), a contrivance of various forms attached to a boiler for giving warning when the water is low.
Webster 1913

ostwald's theory of indicators

  • noun (chemistry) the theory that all indicators are either weak acids or weak bases in which the color of the ionized form is different from the color before dissociation
    Ostwald's theory of indicators.
WordNet

oxidation-reduction indicator

  • noun an indicator that shows a reversible color change between oxidized and reduced forms
WordNet

Speed gauge, Speed indicator, ∧ Speed recorder

  • (Mach.), devices for indicating or recording the rate of a body's motion, as the number of revolutions of a shaft in a given time.
Webster 1913

speed indicator

  • noun a meter fixed to a vehicle that measures and displays its speed
    speedometer.
WordNet

theory of indicators

  • noun (chemistry) the theory that all indicators are either weak acids or weak bases in which the color of the ionized form is different from the color before dissociation
    Ostwald's theory of indicators.
WordNet

turn indicator

  • noun a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
    trafficator; blinker; turn signal.
WordNet