Detect:

Verb:

1. To discover or identify the presence or existence of something.

Prepositions:

• “In” (detect in something)
• “By” (detect by something)

Collocations:

• Detect a problem, detect a change, detect a signal, detect an error, detect fraud.

Example Sentences:

1. The doctor could detect a slight irregularity in his heartbeat.
2. The device can detect movement in the dark.
3. Scientists are working to detect signs of life on Mars.
4. He detected a hint of sarcasm in her voice.
5. The system is designed to detect smoke and alert the fire department.
6. It’s important to detect problems early in the process.
7. The software can detect and correct errors automatically.
8. They used radar to detect enemy aircraft.
9. The test can detect even the smallest amounts of the virus.
10. She detected a note of sadness in his words.
11. The alarm will detect any unauthorized entry.
12. He was able to detect a faint scent of perfume in the room.
13. The sensor can detect changes in temperature.
14. Early detection of cancer can save lives.
15. They detected a drop in pressure in the pipeline.
16. The police use sniffer dogs to detect drugs.
17. The machine can detect counterfeit money.
18. They detected a leak in the gas line.
19. The technology can detect heart problems before symptoms appear.
20. She detected a slight change in his behavior.
21. The equipment can detect underwater sounds.
22. They use X-rays to detect fractures in bones.
23. The software detected a virus on my computer.
24. Scientists are developing ways to detect earthquakes earlier.
25. The camera can detect motion and start recording automatically.
26. He detected a flaw in the argument.
27. The lab test can detect a variety of infections.
28. The system is designed to detect and prevent fraud.
29. She detected a hint of jealousy in his tone.
30. The device can detect dangerous levels of radiation.
31. The scanner can detect hidden weapons.
32. They detected a significant increase in sales.
33. The alarm system can detect glass breakage.
34. She detected a trace of bitterness in his words.
35. The program is able to detect plagiarism in student papers.
36. They detected a malfunction in the engine.
37. The sensor can detect the presence of hazardous chemicals.
38. The doctor detected a lump during the examination.
39. The test can detect antibodies in the blood.
40. He detected a pattern in the data.
41. The radar system can detect incoming missiles.
42. They detected a rise in crime rates in the area.
43. The equipment can detect electrical faults.
44. She detected a subtle change in the weather.
45. The software can detect unauthorized access to the network.
46. The camera can detect and focus on faces automatically.
47. The test can detect low levels of contaminants in water.
48. The system detected an intruder and sounded the alarm.
49. He detected a note of worry in her expression.
50. The sensor can detect carbon monoxide in the air.