The plane which is perpendicular to the axis of a transverse map projection. Also called INVERSE EQUATOR.
Related Terms |
SPREAD
The divergence of the air stream in a horizontal or vertical plane after it leaves the outlet.
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GYRO ERROR
The error in the reading of the gyrocompass, expressed in degrees east or west to indicate the direction in which the axis of the compass is offset from true north.
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GYROSCOPE
A rapidly rotating mass free to move about one or both axes perpendicular to the axis of rotation and to each other. It is characterized by GYROSCOPIC INERTIA and PRECESSION. Usually shortened to GYRO. The term also refers colloquially to the GYROCOMPASS.
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GYROSCOPE
A rapidly rotating mass free to move about one or both axes perpendicular to the axis of rotation and to each other. It is characterized by GYROSCOPIC INERTIA and PRECESSION. Usually shortened to GYRO. The term also refers colloquially to the GYROCOMPASS.
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GYROSCOPIC DRIFT
The horizontal rotation of the spin axis of a gyroscope about the vertical axis
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HORIZONTAL EARTH RATE
The rate at which the spin axis of a gyroscope must be tilted about the horizontal axi
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AXIAL-LOAD BEARING
A bearing in which the load acts in the direction of the axis of rotation.
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GROIN
A structure (usually one of a group) extending approximately perpendicular from a shore to protect the shore from erosion by tides currents, or waves or to trap sand for making a beach.
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HORIZONTALLY POLARIZED WAVE
A plane polarized electromagnetic wave in which the electric field vector is in a horizontal plane.
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HEXAGON
A closed plane figure having six sides
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