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# detection

«detection» in Mova's school dictionary: **hard to see, hear or find** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### 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 →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#m1)

2) Finding out who did a crime or how it was done; detective work. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#m2)

3) (science) Using instruments to find and measure something, such as smoke, metal or radiation. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#m3)

### 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 →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x1)
- The thief wore gloves to avoid detection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x2)
- Bats use echoes for the detection of insects. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x3)
- The new machine helps with the detection of disease. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x4)
- Sherlock Holmes was a master of detection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x5)
- Metal detection at the airport finds keys and coins in your pocket. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x6)
- The third daughter makes friends with the cat, which licks off the tell-tale blood, so she escapes detection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/#x7)

### 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

- [Detection dogs are trained to sniff out things such as drugs, explosives, fruit carried in bags, money and even some illnesses.](https://md.mova.elamur.ai/free/en/corpora/school/biology/140-paw-patrol-real-working-dogs/6/)

### Trees and pragmatics

[Every meaning and example of «detection» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/detection/), each sentence with its dependency tree and frames.