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- DictionarySig·nal/ˈsiɡn(ə)l/
noun
- 1. a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned: "the firing of the gun was the signal for a chain of beacons to be lit"
- 2. an electrical impulse or radio wave transmitted or received: "equipment for receiving TV signals"
verb
- 1. transmit information or instructions by means of a gesture, action, or sound: "hold your fire until I signal"
5 days ago · anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, an act, etc. a traffic signal. a signal to leave. 2. anything agreed upon or understood as the occasion for concerted action. 3. an act, event, or the like that causes or incites some action.
a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile phone. radio signals. TV signals. a digital signal. a high-frequency signal. a radar signal. to emit a signal. to detect/pick up signals. I couldn't get a signal on my phone.
SIGNAL meaning: 1 : an event or act which shows that something exists or that gives information about something sign often + of; 2 : something (such as a sound, a movement of part of the body, or an object) that gives information about something or that tells someone to do something
1. To make a signal to: I signaled the driver to proceed. 2. To relate or make known by signals: They have signaled their willingness to negotiate. 3. To cause an effect in (a cell) by the activation of a receptor, as by a neurotransmitter or hormone. v.intr. To make a signal or signals.
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 ...
a movement, light, or sound that gives information, or tells people what to do: At a signal from their teacher, the children all held up their flags. Don't move until I give the signal. Fewer examples. That light is a signal that the studio is being used. The flare was a signal that the ship was in trouble.
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!
