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Total record count: 6269.

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Eng ID Term Definition
2941
long range navigation
See NAVIGATION.
2942
longshore current
A current paralleling the shore largely within the surf zone. It is caused by the excess water brought to the zone by the small net mass tra... more
A current paralleling the shore largely within the surf zone. It is caused by the excess water brought to the zone by the small net mass transport of wind waves. Longshore currents feed into rip currents.
2943
lookout station
A distinc­tive structure or place on SHORE from which personnel keep watch upon events at SEA or along the COAST.
2944
lookout tower
Any tower surmounted by a small house in which a watch is habitual­ly kept, as distinguished from an OBSERVATION TOWER in which no watch is... more
Any tower surmounted by a small house in which a watch is habitual­ly kept, as distinguished from an OBSERVATION TOWER in which no watch is kept.
2945
loom
The glow of a light which is below the HORIZON, caused by REFLECTION by solid particles in the air. Vague first appearance of LAND at SEA.
2946
looming
An apparent ELEVATION of distant ter­restrial objects by abnormal ATMOSPHERIC REFRACTION. Because of looming, objects below the HORIZON are... more
An apparent ELEVATION of distant ter­restrial objects by abnormal ATMOSPHERIC REFRACTION. Because of looming, objects below the HORIZON are sometimes visible. The opposite is SINKING. The appearance indistinctly of an object during a period of low VISIBILITY.
2947
loop
In OCEANOGRAPHY, that part of a STANDING WAVE where the vertical motion is greatest and the horizon­tal VELOCITIES are least. Loops (someti... more
In OCEANOGRAPHY, that part of a STANDING WAVE where the vertical motion is greatest and the horizon­tal VELOCITIES are least. Loops (sometimes called antinodes) are associated with CLAPOTIS and with SEICHE action resultant from resonant wave reflecting in a HARBOUR or BAY.
2948
loop antenna
A DIRECTIONAL ANTENNA consisting essen­tial­ly of one or more complete turns of wire.
2949
lost' station
See STATION: UNRECOVERABLE.
2950
lough
Irish equivalent of the Scottish LOCH.
2951
louver shutter
See SHUTTER.
2952
love wave (or Q-wave)
See WAVE.
2953
low
See DEPRESSION.
2954
lower branch
That half of a MERIDIAN or CELESTIAL MERIDIAN from POLE to POLE which passes through the ANTIPODE or NADIR of a place.
2955
lower culmination
See MERIDIAN TRANSIT.
2956
lower high water (L.H.W.)
The lower of two HIGH WATERS occurring during a TIDAL DAY if the DIURNAL INEQUALITY prevails.
2957
lower high water interval
See LUNITIDAL INTERVAL.
2958
lower limb
See LIMB.
2959
lower low water (L.L.W.)
The lower of two LOW WATERS occurring during a TIDAL DAY if the DIURNAL INEQUALITY prevails.
2960
lower low water interval
See LUNITIDAL INTERVAL.