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Total record count: 6269.

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Eng ID Term Definition
421
bay closing line
A line dividing the internal waters and territorial seas in a bay.
422
bay ice
Level FAST ICE of more than one winter's growth, which may be nourished by surface layers of SNOW. Thickness of ICE and SNOW up to about 2 m... more
Level FAST ICE of more than one winter's growth, which may be nourished by surface layers of SNOW. Thickness of ICE and SNOW up to about 2 m above SEA LEVEL. When bay ice becomes thicker than this, it is called an ICE SHELF.
423
bayou
A minor sluggish WATERWAY or estuarial CREEK, generally tidal or characterized by a slow CURRENT, with a COURSE generally through LOWLANDS o... more
A minor sluggish WATERWAY or estuarial CREEK, generally tidal or characterized by a slow CURRENT, with a COURSE generally through LOWLANDS or SWAMPS, TRIBUTARY to or connecting with other bodies of water. Various specific meanings have been implied in different parts of the Southern United States. Sometimes called SLOUGH.
424
beach
On a SHORE, the area on which the WAVES break and over which shore debris, such as SAND, SHINGLE, PEBBLES accumulate. A beach includes BACKS... more
On a SHORE, the area on which the WAVES break and over which shore debris, such as SAND, SHINGLE, PEBBLES accumulate. A beach includes BACKSHORE and FORESHORE.
425
beach comber
See COMBER.
426
beacon
A fixed artificial NAVIGATION MARK that can be recognised by its shape, colour, pattern, TOPMARK or light character, or a combination of the... more
A fixed artificial NAVIGATION MARK that can be recognised by its shape, colour, pattern, TOPMARK or light character, or a combination of these.   It may carry various additional AIDS TO NAVIGATION.   This term is not commonly used when the NAVIGATION MARK can be classified as a LIGHTHOUSE.
427
beacon: aeronautical
An AERONAUTICAL GROUND LIGHT visible at all AZIMUTHS, either continuously or intermittently, to designate a particular point on the surface ... more
An AERONAUTICAL GROUND LIGHT visible at all AZIMUTHS, either continuously or intermittently, to designate a particular point on the surface of the EARTH. A radiobeacon may be coterminous with the aeronautical beacon.
428
beacon: hazard
A BEACON marking an OBSTRUCTION or hazard.
429
beacon: identification
An AERONAUTICAL and/or RADIO and/or LIGHT BEACON emitting a coded SIGNAL by means of which a particular REFERENCE POINT can be identified.
430
beacon: light (or lighted)
A BEACON from which a LIGHT is exhibited.
431
beacon: omnidirectional
See OMNIRANGE.
432
beacon: radio
See RADIOBEACON.
433
beacon: responder
See TRANSPONDER BEACON.
434
beacon: transponder
See TRANSPONDER BEACON.
435
beaconage
A system of BEACONS. See BUOYAGE.
436
beam
RADIANT ENERGY confined to a particular shape.
437
beam compass
An instrument consisting of a beam or rod with sliding sockets that hold pencil, pen, or steel points, used together with a SCALE for plotti... more
An instrument consisting of a beam or rod with sliding sockets that hold pencil, pen, or steel points, used together with a SCALE for plotting exact lengths or for drawing large circles.
438
beam sea
WAVES moving in a direction approximately 90° from the HEADING.
439
beam width
The angular measure of the transverse section of a beam (usually in the main lobe) lying within directions corresponding to specified values... more
The angular measure of the transverse section of a beam (usually in the main lobe) lying within directions corresponding to specified values of field strength relative to the maximum.
440
beam wind
WIND blowing in a direction approximately 90° from the HEADING.