Even the sophisticated sonar and hydrophonic devices which cover both the Atlantic and Pacific Oceans from shoreline to hundred of miles out to sea would be circumvented by this Trojan-Horse technique.
Source: wiktionary
Hydrophonic
Synonyms for "hydrophonic"
Ranked by relevance and common usage.
Sample sentences
3 total sentences available.
Although others may have been sunk earlier, the first submarine confirmed lost in consequence of hydrophonic detection was the German UC-49 on August 8, 1918.
Source: wiktionary
Success for Operation Teardrop had come not from aircraft but from the tedious sonar and hydrophonic probing of the depths by surface ships.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.