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gyrocompass

[jahy-roh-kuhm-puh s] /ˈdʒaɪ roʊˌkʌm pəs/
noun
1.
a navigational compass containing a gyroscope rotor, that, when adjusted for the latitude and speed of the vessel or aircraft, indicates the direction of true north along the surface of the earth or communicates this information to one or more gyro repeaters.
Also called gyrostatic compass.
Origin
1905-1910
1905-10; gyro(scope) + compass
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for gyrocompass

gyrocompass

/ˈdʒaɪrəʊˌkʌmpəs/
noun
1.
(nautical) a nonmagnetic compass that uses a motor-driven gyroscope to indicate true north Sometimes shortened to gyro
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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