English

Appearance

View mode
Number of cards in a row Here you can select the number of cards to be placed in a row for each of supported screen resolutions. Your current resolution is highlighted in this way.
	Large desktop
	Desktop
	Tablet
	Phone

Page size

Total record count: 6269.

Records per page

Use the “Quick Search” box to locate your required term and/or definition. The following “Search conditions” can be used to refine your search: “Contains”, “Begins with”, “Ends with”, “Equals”, “Does not contain” or “Does not equal.”

	Eng ID	Term	Definition
	1721	escarpment	An elongated, characteristically linear, steep SLOPE, separating horizontal or gently sloping sectors of the SEAFLOOR in non-SHELF areas. Al... more An elongated, characteristically linear, steep SLOPE, separating horizontal or gently sloping sectors of the SEAFLOOR in non-SHELF areas. Also abbreviated to SCARP.
	1722	establishment	The interval of time between the transit (upper or lower) of the moon and the next high water at a place. The average establishment at the t... more The interval of time between the transit (upper or lower) of the moon and the next high water at a place. The average establishment at the time of full or new moon is called vulgar or common establishment, or high water full and change. Also called high water lunitidal interval, or establishment of the port. See LUNITIDAL INTERVAL.
	1723	establishment of the port	See ESTABLISHMENT.
	1724	estimated position (EP)	See POSITION.
	1725	estuary	That portion of a STREAM influenced by the TIDE of the body of water into which it flows. A BAY, as the MOUTH of a RIVER, where the TIDE mee... more That portion of a STREAM influenced by the TIDE of the body of water into which it flows. A BAY, as the MOUTH of a RIVER, where the TIDE meets the river current.
	1726	estimated time of arrival (ETA)	The predicted time of reaching a destination or waypoint.
	1727	estimated time of departure (ETD)	The predicted time of leaving a place.
	1728	etch	(v.t.). To form an IMAGE within the surface of a printing or drawing material by the use of solvents.
	1729	Eulerian current observations	A method to monitor the current at a fixed point by means of current metres.
	1730	European Datum	Constituted by the International Spheroid located at the Potsdam origin.
	1731	evaluation report	A report which summarizes pertinent facts relating to a given hydrographic survey. Included in the report are sections which address the qua... more A report which summarizes pertinent facts relating to a given hydrographic survey. Included in the report are sections which address the quality of the hydrographic survey and detailed comparisons made with prior hydrographic surveys and the appropriate nautical chart. Specific evaluations and recommendations regarding the adequacy of the survey to supersede prior survey data and charted information are made.
	1732	evaporimeter	Instrument for measuring the amount of water evaporated into the ATMOSPHERE during a given time interval. Also called atmometer, atmidometer... more Instrument for measuring the amount of water evaporated into the ATMOSPHERE during a given time interval. Also called atmometer, atmidometer.
	1733	evection	A perturbation of the MOON in its ORBIT due to the attraction of the SUN. See also LUNAR INEQUALITY.
	1734	Everest spheroid	See REFERENCE SPHEROID.
	1735	exercise area	An area shown on CHARTS within which naval, military or aerial exercises are carried out. Also called military practice area.
	1736	exclusive economic zone	The exclusive economic zone is an area, not exceeding 200 nautical miles from the baselines from which the breadth of the territorial sea is... more The exclusive economic zone is an area, not exceeding 200 nautical miles from the baselines from which the breadth of the territorial sea is measured, subject to a specific legal regime established in the United Nations Convention on the Law of the Sea under which the coastal state has certain rights and jurisdiction.
	1737	existence doubtful	Of uncertain existence. The expression is used principally on CHARTS to indicate the possible existence of a ROCK, SHOAL, etc., the actual e... more Of uncertain existence. The expression is used principally on CHARTS to indicate the possible existence of a ROCK, SHOAL, etc., the actual existence of which has not been established. Usually shown by the abbreviation 'ED'.
	1738	exit pupil	The IMAGE of APERTURE STOP formed by all the LENS ELEMENTS on the IMAGE side of the APERTURE STOP.
	1739	exit window	The IMAGE of the FIELD STOP formed by all the LENS ELEMENTS on the image side of the FIELD STOP.
	1740	ex-meridian altitude	See ALTITUDE.
There are no records to display