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[soh-fahr] /ˈsoʊ fɑr/
a system for determining a position at sea by exploding a charge under water and measuring the time the shock waves take to reach three widely separated shore stations at known distances from each other.
Origin of sofar
1945-50; so(und) f(ixing) a(nd) r(anging) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sofar


a system for determining a position at sea, esp that of survivors of a disaster, by exploding a charge underwater at that point. The times taken for the shock waves to travel through the water to three widely separated shore stations are used to calculate their position
Word Origin
C20: from so(und) f(ixing) a(nd) r(anging)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Related Abbreviations for sofar


sound fixing and ranging
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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