Origin of sonar
Examples from the Web for sonar
Before that, in December 2011, it won a $691 million U.S. Navy subcontract for “combat and sonar systems” for submarines.Assad Supplier Finmeccanica Did Business With the Pentagon|Aram Roston|July 9, 2012|DAILY BEAST
He adjusted the sonar pickups, turned the amplifier to maximum, and listened intently.
The tyme of hir purificatioun was sonar then the Leviticall law appointes.The Works of John Knox, Vol. 1 (of 6)|John Knox
He listened for code on the sonar equipment, but heard only the weird and nameless sea-sounds.
British Dictionary definitions for sonar
Word Origin for sonar
Word Origin and History for sonar
apparatus for detection underwater, 1946, from first letters of "sound navigation ranging," on pattern of radar.