noun
- A sonar system used to detect and locate submarines and other underwater objects by transmitting sound waves and analyzing their echoes.
Usage: nautical; military; acronym: Anti-Submarine Detection Investigation Committee
Examples
- The naval vessel used asdic to search for enemy submarines in the Atlantic.
- Asdic technology was crucial during World War II for detecting underwater threats.
- Modern asdic systems can identify objects at considerable depths.
- The captain relied on asdic readings to navigate safely through the contested waters.