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Eng ID Term Definition
2281
hinterland
The district behind that lying along the COAST; the back country.
2282
historic bay
Historic bays are those over which the coastal state has publicly claimed and exercised juris­diction and this jurisdiction has been accepte... more
Historic bays are those over which the coastal state has publicly claimed and exercised juris­diction and this jurisdiction has been accepted by other states. Historic bays need not match the defini­tion of "bay" contained in the United Nations Conven­tion on the Law of the Sea.
2283
hoarfrost
Deposit of ICE, having a crystalline ap­pearance, generally assuming the form of scales, needles, feathers or fans. Hoarfrost is produced in... more
Deposit of ICE, having a crystalline ap­pearance, generally assuming the form of scales, needles, feathers or fans. Hoarfrost is produced in a manner similar to DEW but at a temperature below 0°C. Also written as two words.
2284
hodograph
Used in oceanography. The tidal current vector hodograph is the figure traced out by the tip of a vector representing the current over the t... more
Used in oceanography. The tidal current vector hodograph is the figure traced out by the tip of a vector representing the current over the tidal cycle.
2285
hodometer
See ODOMETER.
2286
holding ground
An expres­sion usually used with a modifying adjective to indicate the quality of the holding power of the material constitut­ing the BOTTOM... more
An expres­sion usually used with a modifying adjective to indicate the quality of the holding power of the material constitut­ing the BOTTOM of an ANCHORAGE; e.g., of good (or poor) holding ground.
2287
hole
An abrupt HOLLOW in the GROUND or ocean floor. See also PASSAGE.
2288
holiday
An unintentional unsurveyed area within a given hydrographic survey where the spacing between sounding lines or surveys exceeds the maximum ... more
An unintentional unsurveyed area within a given hydrographic survey where the spacing between sounding lines or surveys exceeds the maximum allowa­ble limits.
2289
hollow
TROUGH or depression between CRESTS of sea-waves. A cavity or HOLE.
2290
homing
NAVIGATION toward a point by maintaining con­stant some navigational COOR­DINATE(S), usually BEA­RING. The procedure of using the direction-... more
NAVIGATION toward a point by maintaining con­stant some navigational COOR­DINATE(S), usually BEA­RING. The procedure of using the direction-finding equip­ment of one RADIO STATION with the emission of another RADIO STATION, where at least one of the STATIONS is mobile, and whereby the MOBILE STATION proceeds conti­nuously towards the other STATION.
2291
hook
A sharp bend or angle in the course or length of anything; especially a bend in a RIVER. A projecting corner, POINT or SPIT of LAND.
2292
horizon
In general, the apparent or visible junction of the EARTH and sky, as seen from any specific posi­tion.
2293
horizon: apparent
The irregular line along which rays from the point of observation are tangent to the surface of the EARTH. Also called visible (or local) ho... more
The irregular line along which rays from the point of observation are tangent to the surface of the EARTH. Also called visible (or local) horizon.
2294
horizon: artificial
A device for indicating the HORI­ZON­TAL, as a bubble, GYROSCOPE, PENDULUM, or the flat reflecting surface of a liquid.
2295
horizon: celestial
That circle of the CELESTIAL SPHE­RE, formed by the intersection of the CELESTIAL SPHERE and a plane through the centre of the EARTH, and pe... more
That circle of the CELESTIAL SPHE­RE, formed by the intersection of the CELESTIAL SPHERE and a plane through the centre of the EARTH, and perpendicular to the zenith-nadir line. Also called rational horizon.
2296
horizon: closing the
Measuring the last of a series of horizontal angles at a STATION required to make the series complete around the HORIZON. See also ERROR OF ... more
Measuring the last of a series of horizontal angles at a STATION required to make the series complete around the HORIZON. See also ERROR OF CLOSURE OF HORIZON.
2297
horizon: dip of the
See DIP.
2298
horizon: false
A line resembling the APPARENT HORIZON but above or below it.
2299
horizon: radio
See RADIO.
2300
horizon: rational
See HORIZON: CELESTIAL.