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Eng ID Term Definition
341
azimuth: reverse
See AZIMUTH: BACK.
342
azimuth: true
AZIMUTH relative to TRUE NORTH.
343
azimuthal equidistant projection
See PROJECTION.
344
azimuthal orthomorphic projection
See PROJECTION: STEREOGRAPHIC.
345
azimuthal projection
See PROJECTION.
346
azimuth angle
AZIMUTH measured from 0° at the north or south reference direction clockwise or counter-clockwise through 90° or 180°. It is labelled with t... more
AZIMUTH measured from 0° at the north or south reference direction clockwise or counter-clockwise through 90° or 180°. It is labelled with the REFERENCE DIRECTION as a prefix and the DIRECTION of measurement from the REFERENCE DIRECTION as a suffix.
347
azimuth circle
See BEARING CIRCLE.
348
azimuth diagram
A DIAGRAM for obtaining graphically rather than by computation the AZIMUTHS of observed CELESTIAL BODIES.
349
azimuth mark
A MARK set at a significant distance from a TRIANGULATION or TRAVERSE STATION to mark the end of a line for which the AZIMUTH has been deter... more
A MARK set at a significant distance from a TRIANGULATION or TRAVERSE STATION to mark the end of a line for which the AZIMUTH has been determined, and to serve as a starting or reference azimuth for later use.
350
back azimuth
See AZIMUTH.
351
backbeach
Also written as two words. See BACKSHORE.
352
backing wind
Counter-clockwise change of wind direction, in either hemisphere.
353
backrush
The seaward return of water following UPRUSH of WAVES on a BEACH.
354
backrush current
See CURRENT: BACKRUSH.
355
backshore
That part of a BEACH which is usually dry, being reached only by the highest TIDES. Also called backbeach. See also FORESHORE.
356
backsight
In NAUTICAL ASTRONOMY, an OBSERVATION of a CELESTIAL BODY made by facing 180° from the AZIMUTH of the body. In LEVELLING, a reading on a LEV... more
In NAUTICAL ASTRONOMY, an OBSERVATION of a CELESTIAL BODY made by facing 180° from the AZIMUTH of the body. In LEVELLING, a reading on a LEVELLING ROD held on a point whose ELEVATION has been previously determined and which is not the closing SIGHT of a level circuit. Also written as two words. See also FORESIGHT.
357
backwash
Water or WAVES thrown back by an obstruction such as a ship, BREAKWATER, CLIFF, etc.
358
backwater
Water turned back by an obstruction, opposing CURRENT, etc. Water held back from the main FLOW.
359
ballistic camera
See CAMERA.
360
band of colour
See STRIPES (OF COLOUR)