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Eng ID | Term | Definition |
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4481 | route: recommended | A route of undefined width, for the convenience of ships in transit, which is often marked by centreline buoys. |
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4482 | route (or routeing) chart | See CHART. |
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4483 | routeing | A complex of measures concerning routes followed by ships and aiming at reducing the risk of casualties (TRAFFIC SEPARATION SCHEMES, DEEP-D... more |
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4484 | routeing guide | A document designed to be used in conjunction with nautical charts and other nautical publications in areas where complex routeing systems h... more |
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4485 | routeing system | Any system of one or more routes or routeing measures aimed at reducing the risk of casualties; it includes traffic separation schemes, two... more |
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4486 | rubble | Fragments of hard SEA ICE, roughly spherical and up to 1,5 METRES (5 FEET) in diameter, resulting from the disintegration of larger ice form... more |
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4487 | rubidium vapour magnetometer | See MAGNETOMETER. |
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4488 | rudite (or rudyte) | Rock or sediment DEPOSITS composed of grains larger than 2 millimetres. |
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4489 | ruin | A ruin is a structure in a decayed or deteriorated condition resulting from neglect or disuse, or a damaged structure in need of repair. A ... more |
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4490 | ruling | A mechanically produced series of equally-spaced parallel lines at a predetermined 'angle of ruling'. Used to distinguish particular areas o... more |
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4491 | run | A BROOK, or small CREEK. The distance travelled by a craft during any given time interval, or since leaving a designated place. Complete per... more |
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4492 | run a line of soundings | (v.t.). To obtain SOUNDINGS along a LINE OF SOUNDING, for surveying purposes. |
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4493 | runnel | The smallest of natural STREAMS; a BROOK or RUN. A TROUGH or corrugation formed in the FORESHORE or in the BOTTOM, immediately offshore, for... more |
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4494 | running fix | See FIX. |
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4495 | running survey | See SURVEY. |
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4496 | run of micrometer | See ERROR OF RUN. |
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4497 | run-up | The rush of water up a structure on the breaking of a WAVE. The amount of run-up is the vertical HEIGHT above STILL WATER LEVEL that the ru... more |
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4498 | runway | A defined area, on a land aerodrome, prepared for the landing and take-off run of aircraft. |
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4499 | runway light(s) | See LIGHT. |
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4500 | sac | An INDENTATION in the CONTOURS on a CHART showing SUBMARINE RELIEF which is analogous to a GULF on the surface. The opposite term is SUBMARI... more |