signal : Idioms & Phrases


background signal

  • noun extraneous signals that can be confused with the phenomenon to be observed or measured
    background.
    • they got a bad connection and could hardly hear one another over the background signals
WordNet

Counter signal

  • a signal to answer or correspond to another.
Webster 1913

distress signal

  • noun an internationally recognized signal sent out by a ship or plane indicating that help is needed
    distress call.
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electronic signal

  • noun a signal generated by electronic means
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input signal

  • noun signal going into an electronic system
    input.
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nautical signal flag

  • noun one of an international code of flag signals used between ships
    code flag.
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output signal

  • noun signal that comes out of an electronic system
    output.
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radio signal

  • noun a radio wave used to transmit and receive messages
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radiotelegraphic signal

  • noun a signal transmitted by telegraphy
    radiotelegraphic signal.
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signal box

  • noun a building from which signals are sent to control the movements of railway trains
    signal box.
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signal caller

  • noun (football) the person who plays quarterback
    field general; quarterback.
  • noun (American football) the position of the football player in the backfield who directs the offensive play of his team
    field general; quarterback.
    • quarterback is the most important position on the team
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signal detection

  • noun the detection that a signal is being received
    detection.
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signal fire

  • noun a fire set as a signal
    signal fire.
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signal flag

  • noun a rectangular piece of fabric used as a signalling device
    flag.
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signal level

  • noun the amplitude level of the desired signal
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signal light

  • noun a fire set as a signal
    signal fire.
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Signal station

  • the place where a signal is displayed; specifically, an observation office of the signal service.
Webster 1913

signal tower

  • noun a building from which signals are sent to control the movements of railway trains
    signal box.
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signal-to-noise

  • noun the ratio of signal intensity to noise intensity
    signal-to-noise; signal/noise; signal/noise ratio; S/N.
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signal-to-noise ratio

  • noun the ratio of signal intensity to noise intensity
    signal-to-noise; signal/noise; signal/noise ratio; S/N.
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signaling device

  • noun a device used to send signals
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signals intelligence

  • noun intelligence information gathered from communications intelligence or electronics intelligence or telemetry intelligence
    SIGINT.
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starting signal

  • noun a signal to begin (as in a race)
    start.
    • the starting signal was a green light
    • the runners awaited the start
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storm signal

  • noun a signal announcing the approach of a storm (particularly a storm of marked violence)
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telegraphic signal

  • noun a signal transmitted by telegraphy
    radiotelegraphic signal.
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The signal service

  • a bureau of the government (in the United States connected with the War Department) organized to collect from the whole country simultaneous raports of local meteorological conditions, upon comparison of which at the central office, predictions concerning the weather are telegraphed to various sections, where they are made known by signals publicly displayed.
Webster 1913

time signal

  • noun a signal (especially electronic or by radio) indicating the precisely correct time
WordNet

To repeat signals

  • to make the same signals again; specifically, to communicate, by repeating them, the signals shown at headquarters.
Webster 1913

traffic signal

  • noun a visual signal to control the flow of traffic at intersections
    stoplight; traffic light.
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turn signal

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

  • noun a signal that involves visual communication
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wake-up signal

  • noun (military) signal to wake up
    reveille.
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warning signal

  • noun an automatic signal (usually a sound) warning of danger
    alarm; alarum; alert.
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