Explosive Trace Detection
Definition:
"Explosive trace detection" is a noun that refers to a system used to check luggage, especially in places like airports. This system looks for tiny amounts of explosives. It works by taking a small sample (called a swab) from the luggage and then testing that sample with a special machine.
How it Works:
1. An officer takes a swab (like a small cloth) and wipes it on or inside the luggage. 2. The swab is then placed in a machine that can find very small traces of explosives.
Example:
"When I traveled to the airport, my bag went through explosive trace detection, and the officer used a swab to check it for any dangerous materials."
Advanced Usage:
In security and law enforcement contexts, explosive trace detection is crucial for preventing terrorist activities. It is often used in combination with other security measures to ensure public safety.
Word Variants:
- Explosive (noun/adjective): A substance that can explode. - Detection (noun): The act of discovering something.
Different Meanings:
- Trace: In this context, it means very small amounts or residues of something. - In other contexts, "trace" can also mean to follow the path of something or to draw a line.
Synonyms:
- Bomb detection system - Explosive detection system - Security screening
Idioms and Phrasal Verbs:
While there aren’t specific idioms or phrasal verbs directly related to "explosive trace detection," you could use: - "On the lookout for" - This means to be vigilant or watchful for something, such as potential threats in security contexts.
Example: "Security officers are always on the lookout for dangerous items at the airport."
Understanding "explosive trace detection" is important in the context of airport security and public safety.