: a detectable physical quantity or impulse (such as a voltage, current, or magnetic field strength) by which messages or information can be transmitted. Noun He likes her but he is sending the …

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, sound, or action which is intended to give a particular message to the person who sees or hears it. They fired three distress signals. As soon as it was dark, Mrs …

SIGNAL definition: anything that serves to indicate, warn, direct, command, or the like, such as a light, a gesture, an act, etc.: a signal to leave. See examples of signal used in a sentence.

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 …

1. anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, or an act.

Definition of signal noun from the Oxford Advanced Learner's Dictionary. a movement or sound that you make to give somebody information, instructions, a warning, etc. synonym sign. at a …

anything that serves to indicate, warn, direct, etc., such as a light, a gesture, or an act: a traffic signal. an act or event that causes an action: The execution was a signal for revolt.

COLLOCATIONS – Meaning 3: a series of light waves, sound waves etc that carry an image, sound, or message, for example in radio or television verbs send (out)/transmit a signal The …

She gave a signal to start the race. 3. The dark clouds were a signal of rain. 4. The radio signal was strong. 5. The program sent a signal to the server. 6. The cells responded to the signal. 1. …