ETD

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Definition

Noun: * Explosive Trace Detection: A security system, primarily used at airports, that analyzes microscopic particles to identify the presence of explosive materials. An agent collects a sample by swabbing luggage or other items, which is then chemically analyzed by a machine.

Usage

ETD is a standard security procedure at airports worldwide. It is used to screen checked baggage, carry-on items, and sometimes passengers.

Examples
  • Noun:
    • All suspicious bags are subjected to ETD screening.
    • The security officer performed an ETD check on the unattended suitcase.
    • The airport has installed new, more sensitive ETD machines.
Advanced Usage
  • ETD swab: Refers specifically to the sampling tool used in the process.
    • The officer used an ETD swab on the laptop's keyboard.
  • ETD machine/unit: Refers to the analytical device that processes the sample.
    • The ETD unit at the checkpoint alerted to a potential threat.
Variants and Related Words
  • Explosive Trace Detector: The full, formal name for the device or system.
  • Trace Detection: A more general term for the technological principle.
Synonyms
  • Explosives screening
  • Trace detection
Notes
  • ETD is an initialism (each letter is pronounced: E-T-D).
  • It is a specialized technical term from the fields of security and analytical chemistry.
Noun
  1. a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives

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