sonars
so-nars
noun
Systems using sound waves to detect objects or map the seabed underwater.
"Naval vessels deployed sonars to search for wrecks."
Thesaurus
Synonyms: echo sounder, asdic
so-nars
Systems using sound waves to detect objects or map the seabed underwater.
"Naval vessels deployed sonars to search for wrecks."
Synonyms: echo sounder, asdic