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Eng ID | Term | Definition |
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3581 | omnidirectional range | See OMNIRANGE. |
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3582 | omnirange | A radio AID TO NAVIGATION providing direct indication of the MAGNETIC BEARING (OMNIBEARING) of that STATION from any direction. Also calledo... more |
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3583 | one-way traffic lane | See TRAFFIC LANE. |
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3584 | onshore wind | WIND blowing from SEA toward the LAND. See SEA BREEZE. |
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3585 | on soundings | Said of a vessel navigating within the 100-FATHOM LINE. In earlier times, said of a vessel in water sufficiently shallow for sounding by HAN... more |
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3586 | on the beam | Bearing approximately 090° relative (on the starboard beam) or 270° relative (on the port beam). The expression is often used loosely for br... more |
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3587 | on the bow | Bearing approximately 045° relative (on the starboard bow) or 315° relative (on the port bow). The expression is often used loosely for broa... more |
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3588 | on the quarter | Bearing approximately 135° relative (on the starboard quarter) or 225° relative (on the port quarter). The expression is often used loosely ... more |
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3589 | ooze | A soft MUD or SLIME. A fine-grained pelagic SEDIMENT containing undissolved SAND- or silt-sized, calcareous or siliceous skeletal remains o... more |
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3590 | opacity (optical) | The ratio of the incident to the transmitted (or reflected) light. It varies with the use of scattered or specular light. |
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3591 | opalescence | Whitish colour of the ATMOSPHERE and a slight change of the apparent colour of objects with respect to normal (for example, bluish colour of... more |
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3592 | open coast | A COAST that is not sheltered from the SEA. |
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3593 | open end traverse | See TRAVERSE: OPEN. |
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3594 | opening | A break in a COASTLINE or a PASSAGE through a REEF, between SHOALS, etc. Any break in SEA ICE which reveals the water. |
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3595 | open pack ice | FLOES seldom in contact with many LEADS and POOLS. ICE CONCENTRATION 4/10th to 9/10th. |
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3596 | open port | A PORT which is not ICEBOUND during winter. |
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3597 | open roadstead | A ROADSTEAD with relatively little protection from the SEA. |
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3598 | open sea | That part of the OCEAN not enclosed by HEADLANDS, within narrow STRAITS, etc. See HIGH SEA. |
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3599 | open sound | A BAY similar to a LAGOON but with large OPENINGS between the protecting ISLANDS. |
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3600 | open traverse | See TRAVERSE. |