Asdic
Asdic noun - A measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return.
Usage example: asdic is an acronym for antisubmarine detection investigation committee
Show all Definitions
Synonyms for Asdic
Sonar
Sonar noun - A measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return.
Usage example: sonar is an acronym for sound navigation ranging
Show all Definitions
Synonyms for Sonar
Both words in one sentence
-
The slow speed of the Swordfish meant that it could stay aloft for several hours and provide early warning about German submarines long before the lookouts and ASDIC/Sonar/Radar on Allied escort vessels could detect them.
Source: Break Out the Museum Piece -
It's actually a very specific sound: a signal pulse of the ASDIC — an early WWII British sonar, widely used by all Allied navies in the war.
Source: The Coconut Effect - And it's always, always the same sound — the distinctive "pling" of the British WWII ASDIC sonar.
Cite this Source
Sonar and Asdic. (2016). Retrieved 2026, July 30, from https://thesaurus.plus/related/asdic/sonar
Asdic & Sonar. N.p., 2016. Web. 30 Jul. 2026. <https://thesaurus.plus/related/asdic/sonar>.
Sonar or Asdic. 2016. Accessed July 30, 2026. https://thesaurus.plus/related/asdic/sonar.
Google Ngram Viewer shows how "asdic" and "sonar" have occurred on timeline