signal

Definition:
1. Any communication that encodes a message.
2. Any incitement to action.
3. An electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes.

Use 'signal' in a sentence:

1. She signalled it was time to leave.
2. The scandal surely signals the end of his political career.
3. The recall of Ambassador Alan Green is a public signal of America's concern.
4. The coded signal is received by satellite dishes.
5. A fanfare signalled the entrance of the king.
6. Hunger is the body's signal that levels of blood sugar are too low.
7. This act was a signal to his victim's friends that he was someone to be reckoned with.
8. Then the rain came and the red flag went up to signal a halt.
9. I'll say 'One, two, three, go!' as a signal for you to start.
10. The rise in inflation is a clear signal that the government's policies are not working.
11. You mustn't fire without my signal.
12. Kurdish leaders saw the visit as an important signal of support.
13. Did you signal before you turned right?
14. A train must not pass a signal that is at danger.
15. The referee signalled a foul.
16. This was not the only danger signal.
17. This signals a rapid change of mind by the government.
18. No signal came that night.
19. The signal will be converted into digital code.
20. When we turned the boat about, the signal began to bleep again constantly.
21. It's a signal that we might need to protect ourselves.
22. He signalled to the waiter for the bill.
23. She signalled him to follow.
24. As soon as it was dark, Mrs. Evans gave the signal.
25. The signal changes constantly.
26. She has signalled she is willing to stand as a candidate.
27. When the stem dies, its hormone signal also ceases.
28. All I get is a busy signal when I dial his number.
29. Holly waited at a stoplight, impatient for the signal to change.
30. A signal failure contributed to the crash.
31. This announcement signalled a clear change of policy.
32. A police car drew abreast of us and signalled us to stop.
33. The transmitters will send a signal automatically to a local base station.
34. The bomb attack on the capital could signal the start of a pre-election terror campaign.
35. She signalled her return to form with a convincing victory.
36. A radio signal was sent to the spacecraft.
37. Reducing prison sentences would send the wrong signals to criminals.
38. I feel this signals the degradation of American culture.
39. When I give the signal , run!
40. When I give the signal, run!
41. A thin cable carries the signal to a computer.
42. You must signal which way you are going to turn.
43. The reception was a little faint but clear enough for him to receive the signal.
44. Don't fire until I signal.
45. She signalled and pulled over into the slow lane.
46. A radio signal has both electrical and magnetic properties.
47. At an agreed signal they left the room.
48. A sensor channels the light signal along an optical fibre.
49. Chest pains can be a warning signal of heart problems.