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Sniffer - Meaning, Definition & English Examples

A sniffer is a tool or device used to detect or monitor data, such as network traffic or chemicals in the air. It can also refer to an animal trained to find scents.

sniffer

/ˈsnɪfɚ/ /ˈsnɪfə/

Definition:

A device or person that detects or analyzes something, especially odors or electronic data.

Synonyms:

detector, analyzer, snooper

Part of Speech:

noun

Antonyms:

concealer, hider

Common Collocations:

packet sniffer, network sniffer, drug sniffer

Derivatives:

sniffing, sniffed, sniffs

Usage Tips:

Use "sniffer" for devices detecting substances or data; avoid for casual smelling actions.

Common Phrases:

sniffer dog, electronic sniffer, data sniffer

Etymology:

Derived from "sniff," imitating the sound of inhaling through the nose.

Examples:

  • 1. The police used a sniffer dog to find the drugs.
  • 2. A network sniffer helps monitor internet traffic for security issues.
  • 3. The airport employs sniffers to detect explosives in luggage.
  • 4. She bought a gas sniffer to check for leaks at home.

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