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	Eng ID	Term	Definition
	2221	hazard beacon	See BEACON.
	2222	haze	Suspension in the ATMOSPHERE of extremely small, dry particles which are invisible to the naked eye but are numerous enough to give the sky ... more Suspension in the ATMOSPHERE of extremely small, dry particles which are invisible to the naked eye but are numerous enough to give the sky an appearance of OPALESCENCE.
	2223	head	A precipitous CAPE, or PROMONTORY. See also HEADLAND. That part of a RIP CURRENT that has widened out seaward of the BREAKERS.
	2224	heading	The direction in which a vessel or craft is pointed, usually expressed in DEGREES from NORTH (TRUE, MAGNETIC OR COMPASS)
	2225	headland	A high steep PROMONTORY. Usually called HEAD when coupled with a specific name.
	2226	head sea	A SEA in which the WAVES move in a direction approximately opposite to the HEADING.
	2227	headwater(s)	The STREAMS from the sources and upper parts of a RIVER.
	2228	headway	Motion in a forward direction. Also called SEAWAY.
	2229	head wind	WIND which blows in a direction opposite to that in which an object is moving, with respect to the EARTH's surface.
	2230	heat equator	See EQUATOR: THERMAL.
	2231	heat lightning	Lightning flash at a distance which may be observed as a short illumination of the sky or of a CLOUD, close to the HORIZON.
	2232	heat wave	Marked warming of the air, or the invasion of very warm air, over a large area.
	2233	heave	The oscillatory rise and fall of a ship due to the entire hull being lifted by the force of the sea.
	2234	heave compensation	The removal of the effect of wave motion from the recorded seabed profile.
	2235	heavenly body	See CELESTIAL BODY.
	2236	heel	Transverse INCLINATION of a vessel due to the action of WAVES, WIND, a greater WEIGHT on one side, etc. See also LIST.
	2237	heeling error	See ERROR.
	2238	heeling magnet	A permanent MAGNET placed vertically in a tube under the centre of a marine MAGNETIC COMPASS, to correct for HEELING ERROR.
	2239	height	The vertical distance of the top of an object affixed to the surface of the EARTH, measured from a specified DATUM usually a High Water dat... more The vertical distance of the top of an object affixed to the surface of the EARTH, measured from a specified DATUM usually a High Water datum. - 2. The vertical dimension of an object. Also called vertical length.
	2240	height finder	A stereoscopic RANGE FINDER so constructed as to indicate vertical HEIGHTS rather than SLANT RANGE.
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