artificial horizon
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artificial horizon
noun
1.
a level, as a surface of mercury, used in determining the altitudes of stars. Compare level ( def 35 ).
2.
the bubble in a sextant or octant for aerial use.
3.
Also called flight indicator, gyro horizon. Aeronautics. an instrument that indicates the banking and pitch of an aircraft with respect to the horizon.
Origin:
1795–1805
1795–1805
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To artificial horizon
Collins
World English Dictionary
| artificial horizon | |
| —n | |
| 1. | Also called: gyro horizon an aircraft instrument, using a gyroscope, that indicates the aircraft's attitude in relation to the horizontal |
| 2. | astronomy a level reflecting surface, such as one of mercury, that measures the altitude of a celestial body as half the angle between the body and its reflection |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Artificial horizon
is always a great word to know.
So is elastic modulus. Does it mean:
| contends extension of a spring is proportional with the load applied to it |
| coefficients expressing ratio of stress applied to body to resulting strain in the body |
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