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SIGNAL definition: 1. an action, movement, or sound that gives information, a message, a warning, or an order: 2. a…. Learn more.
1. : sign, indication. 2. a. : an act, event, or watchword that has been agreed on as the occasion of concerted action. b. : something that incites to action. 3. : something (such as a sound, gesture, or object) that conveys notice or warning. 4. a. : an object used to transmit or convey information beyond the range of human voice. b.
Signal definition: anything that serves to indicate, warn, direct, command, or the like, such as a light, a gesture, an act, etc.. See examples of SIGNAL used in a sentence.
A signal is a series of radio waves, light waves, or changes in electrical current which may carry information.
noun. /ˈsɪɡnəl/ a movement or sound that you make to give somebody information, instructions, a warning, etc. synonym sign. a danger/warning/distress signal. at a signal At an agreed signal they left the room. signal to somebody She made an impatient signal to him, but he ignored her.
A signal is a gesture or message that people use to communicate with each other. The wave you give a good friend to call her over from across the room and the impulse that transmits your voice through the telephone to your mother are both signals.
SIGNAL definition: 1. a movement, light, or sound that gives information, or tells people what to do: 2. a series of…. Learn more.
