detection
nounUK /dɪˈtekʃən/
US /dɪˈtekʃən/
Detection is the act of finding or noticing something.
The smoke alarm's detection of smoke woke the whole family.
OTHER MEANINGS
2. The work of finding out secret information or catching criminals.
The detective's detection of the thief took three weeks.
3. The ability of a machine or device to sense something.
This camera has excellent motion detection.
4. The discovery of a disease or problem by a doctor or expert.
Early detection of the illness helped her get better quickly.