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Total record count: 6269.

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Eng ID Term Definition
5601
torrent
Rushing STREAM of water; great downpour of RAIN.
5602
torrid zone
That part of the EARTH between the TROPIC OF CANCER and the TROPIC OF CAPRICORN. Also called the tropics.
5603
torsion balance
A device for measuring very small forces of attraction result­ing from GRAVITATION, MAGNETISM, etc., and consist­ing of a bar suspended hori... more
A device for measuring very small forces of attraction result­ing from GRAVITATION, MAGNETISM, etc., and consist­ing of a bar suspended horizon­tally by an elastic filament, one end of the bar being subjected to the influence of the attracting force to a greater degree than the other end. The attracting force is balanced and its comparative stren­gth measured by the torsional reaction of the fila­ment.
5604
total eclipse
See ECLIPSE.
5605
total magnetic intensity
The vector resultant of the intensity of the horizontal and vertical components of the EARTH's MAGNETIC FIELD at a specified point.
5606
towering
Apparent increase in the vertical dimension of an object near the HORIZON, due to large inequality of ATMOSPHERIC REFRACTION in the LINE OF ... more
Apparent increase in the vertical dimension of an object near the HORIZON, due to large inequality of ATMOSPHERIC REFRACTION in the LINE OF SIGHT to the top and bottom of the object. The opposite is STOO­PING.
5607
tracer
Foreign substance introduced into the water by natural or artificial means which enables determinati­on of water movement through measuremen... more
Foreign substance introduced into the water by natural or artificial means which enables determinati­on of water movement through measurement of distribu­tion and location of the substance at the same time.
5608
tracing cloth
A fine semitransparent linen or cotton cloth sized on one side and dull on the other.
5609
tracing paper
A thin tough semitransparent paper suitable for making tracings of drawings, or for mi­scel­laneous use in hydrographic work, where perma­ne... more
A thin tough semitransparent paper suitable for making tracings of drawings, or for mi­scel­laneous use in hydrographic work, where perma­nence is not important or when pencil work is suffi­cient.
5610
track
The actual path or route of a craft over the GROUND or sea bottom, or its graphic representation. In AIR NAVIGATION also called track made g... more
The actual path or route of a craft over the GROUND or sea bottom, or its graphic representation. In AIR NAVIGATION also called track made good.
5611
track
(v.t.). To follow the movements of an object as by RADAR or an optical system. To navigate by keeping a record, tabular or graphical of the ... more
(v.t.). To follow the movements of an object as by RADAR or an optical system. To navigate by keeping a record, tabular or graphical of the past POSITIONS of a craft without regard for future POSITIONS.
5612
track: dead reckoning
A line representing successive DEAD RECKONING POSITIONS of a craft.
5613
track: great-circle
The TRACK of a craft following a GREAT CIRCLE, or a GREAT CIRCLE which a craft intends to follow approximately.
5614
track: intended
The an­ticipated path of a vessel rela­tive to the EARTH.
5615
track: radar guided
See RADAR.
5616
track: recommended
A track, shown on a chart by either a dashed or a continuous line, recommended to all or only certain vessels.
5617
track chart
A chart showing recommended, required, or established tracks, and usually indicating turning points, courses, and distances.
5618
tracking
The process of observing the sequential changes in the position of a target to establish its motion.
5619
tracking camera
See CAMERA: BALLISTIC.
5620
track line of sounding
A continuous record of SOUND­INGS obtained by a ship on an extended voyage en route between its home port and the working ground. Also calle... more
A continuous record of SOUND­INGS obtained by a ship on an extended voyage en route between its home port and the working ground. Also called cruise line of sounding.