detection
part of speech
noun (detection; uncountable mostly)
meaning for a pupil
1) Noticing or discovering something that is hard to see, hear or find. tree →
2) Finding out who did a crime or how it was done; detective work. tree →
3) (science) Using instruments to find and measure something, such as smoke, metal or radiation. tree →
sense in the lessons
In science lessons detection is about sensors: smoke detection, metal detection, detecting light or sound. In safety lessons, early detection of a fire (by a smoke alarm) saves lives, and early detection of illness helps treatment. In stories, detection is what detectives do. Phrases: «early detection», «avoid detection», «escape detection», «smoke detection».
examples
- Early detection of a fire gives you time to get out. tree →
- The thief wore gloves to avoid detection. tree →
- Bats use echoes for the detection of insects. tree →
- The new machine helps with the detection of disease. tree →
- Sherlock Holmes was a master of detection. tree →
- Metal detection at the airport finds keys and coins in your pocket. tree →
- The third daughter makes friends with the cat, which licks off the tell-tale blood, so she escapes detection. tree →
note
Noun of «detect»; a «detector» is the device, a «detective» is the person. Mostly uncountable. In maths and science problems, «detection rate» is how many of the things present were found, e.g. 9 found out of 10 is 90%.
In the corpora
Trees and pragmatics
Every meaning and example of «detection» parsed by Mova, each sentence with its dependency tree and frames.