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English definition of “signal”

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signal

noun [C]
 
 
/ˈsɪɡnəl/
ACTION B2 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.Signs, signals and symbolsSpecific signs and symbolsLights, signs and markings on roadsCommunications technology - general words
WAVE B2 a series of electrical waves that are sent to a radio, television, or mobile phoneCommunications technology - general words
PROOF something that shows that something else exists or is likely to happen: The changing colour of the leaves on the trees is a signal that it will soon be autumn.Signs, signals and symbolsSpecific signs and symbols
TRAINS a piece of equipment that tells trains to stop or to continueRailways and railway lines
VEHICLES/PEOPLE US a piece of equipment that shows people or vehicles when to stop, go, or move carefully: a traffic signal Signs, signals and symbolsSpecific signs and symbolsLights, signs and markings on roads
Translations of “signal”
in Korean 신호, 통신…
in Arabic إشارة, إشارة البَثّ…
in French signal, feu…
in Turkish işaret, sinyal, radyo/televizyon sinyali…
in Italian segnale…
in Chinese (Traditional) 行動, 信號, (車輛)轉向燈…
in Russian команда, знак, сигнал…
in Polish sygnał, znak, oznaka…
in Spanish señal…
in Portuguese sinal…
in German das Signal…
in Catalan senyal…
in Japanese 合図, 信号, 電波…
in Chinese (Simplified) 行动, 信号, (车辆)转向灯…
(Definition of signal noun from the Cambridge Learners Dictionary © Cambridge University Press)
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