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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: 1. an action, movement, or sound that gives information, a message, a warning, or an order: 2. a…. Learn more.
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: 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.
SIGNAL definition: 1. a movement, light, or sound that gives information, or tells people what to do: 2. a series of…. Learn more.
1. a. An indicator, such as a gesture or colored light, that serves as a means of communication. See Synonyms at gesture. b. A message communicated by such means. 2. Something that incites action: The peace treaty was the signal for celebration. 3.
From Longman Dictionary of Contemporary English Related topics: Broadcasting, Trains & railways sig‧nal1 /ˈsɪɡnəl/ S2 W2 noun [ countable] 1 a sound or an action that you make in order to give information to someone or tell them to do something signal (for somebody) to do something When she got up from the table, it was obviously the signal ...
noun. /ˈsɪɡnəl/ a movement or sound that you make to give someone information, instructions, a warning, etc. synonym sign a danger/warning/distress etc. signal At an agreed signal they left the room. The siren was a signal for everyone to leave the building. When I give the signal, run!
