detection
dih-TEK-shun
/dɪˈtɛkʃən/
The action or process of discovering, locating, or identifying the presence of specific substances or objects using trained animal senses.
Usually refers to specialized olfactory work identifying hidden contraband, explosives, narcotics, or medical conditions.
The story behind the word. Formed from Latin 'de-' (meaning off or away) and 'tegere' (meaning to cover, as in tile or roof). Detection is literally pulling off the protective cover to expose what lies underneath.
Word relationships
- discovery: Discovery can be accidental, whereas detection implies a systematic search using specialized techniques or senses.
- concealment: Concealment hides something away, whereas detection uncovers what was hidden.
Commonly confused with
- tracking: Tracking follows a physical continuous trail across distance, while detection isolates specific target odors in an area.
Word family
- detect (verb): To discover or perceive.
- detector (noun): A device or entity that detects something.
- detective (noun): An investigator searching for hidden clues.
Collocations
- detection dog
- scent detection
- explosive detection
- early detection
Idioms & expressions
- escape detection
Example sentences
- "Customs agents utilize detection dogs to uncover illegal agricultural imports hidden inside sealed luggage." Border security and customs
- "Cancer detection dogs are trained to identify volatile organic compounds in human breath and urine samples." Medical research field
Memory hook
DE-TECT = Remove the cover to FIND what's hidden. Detection = Uncovering hidden scents.
When not to use
Avoid using 'detection' when describing casual visual searching; it implies technical, methodical discovery.
Fun facts
- A dog's sense of smell is so acute that a detection dog can locate a single drop of target substance diluted in twenty Olympic-sized swimming pools.
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