sniffer
/ˈsnɪfər/
noun
- A person or animal that sniffs, especially one that uses its sense of smell to detect something.
- She's a real sniffer when it comes to perfume — she can identify every note in a fragrance.
- The wine sniffer took a long, careful inhale before declaring the vintage excellent.
- The beagle is an excellent sniffer and is often used at airports to find illegal items.
- A device or tool used for detecting or analyzing odors, gases, or substances.
- The gas company sent a sniffer to check for leaks in the basement.
- Firefighters use a sniffer to locate the source of smoke in a burning building.
- The lab technician ran a sniffer over the sample to identify the chemical compounds.
Synonyms