The story
Shortened from sound fixing and ranging. Compare sonar.
Etymology from Wiktionary, CC BY-SA 4.0.
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Today it means: A system for determining the position of vessels lost at sea by means of explosive sounds. Full definition →
Today it means: A system for determining the position of vessels lost at sea by means of explosive sounds. Full definition →
Shortened from sound fixing and ranging. Compare sonar.
Etymology from Wiktionary, CC BY-SA 4.0.