gyrostatic compass

noun Unabridged


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.

1905–10; gyro(scope) + compass Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
gyrocompass (ˈdʒaɪrəʊˌkʌmpəs)
nautical Sometimes shortened to: gyro a nonmagnetic compass that uses a motor-driven gyroscope to indicate true north

Collins English Dictionary - Complete & Unabridged 10th Edition
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