Definition

Noun: A security screening technique that identifies microscopic residues of explosive materials. The process typically involves collecting samples from surfaces or objects using a swab, which is then analyzed by a specialized device capable of detecting minute chemical signatures of explosives.

Usage

This term is used primarily in the context of security, law enforcement, and counter-terrorism operations. - It refers to the overall system or methodology for finding explosive traces. - It is a standard procedure at airports, government buildings, and high-security events.

Examples

• Noun:
  • Before boarding, some passengers were selected for explosive trace detection.
  • The security team relies on explosive trace detection as a first line of defense.
  • Advances in explosive trace detection have made the screening process faster and more reliable.

Advanced Usage

• As a Modifier: The term is often used attributively to describe the equipment or process.
  • The officer operated the explosive trace detection unit at the checkpoint.
  • We are evaluating new explosive trace detection protocols.

Variants and Related Words

• ETD: A common acronym for "Explosive Trace Detection."
  • All bags are subject to ETD screening.
• Trace Detector: A general term for a device that performs this function.
  • The new trace detectors are highly sensitive.
• Swab Test: A colloquial term referring to the sample collection part of the process.
  • They performed a swab test on my laptop.

Synonyms

• Explosives screening
• Trace analysis (for explosives)
• Chemical trace detection (when context specifies explosives)

Related Phrases

• To undergo ETD: To be subject to this screening procedure.
  • The suspicious package had to undergo ETD.
• Positive trace detection: Indicates that explosive material was found.
  • A positive trace detection will trigger a full security lockdown.

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