gyrocompass

[jahy-roh-kuhm-puhs]

gy·ro·com·pass

[jahy-roh-kuhm-puhs]
noun
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:
1905–10; gyro(scope) + compass
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Gyrocompass is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Collins
World English Dictionary
gyrocompass (ˈdʒaɪrəʊˌkʌmpəs)
 
n
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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