
1) Measure 2) Measurement 3) Measuring 4) Mensuration 5) Plumbing 6) The study of water depths
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https://www.crosswordclues.com/clue/bathymetry

Bathymetry is the study of underwater depth of lake or ocean floors. In other words, bathymetry is the underwater equivalent to hypsometry or topography. The name comes from Greek βαθύς (bathus), `deep`, and μέτρον (metron), `measure`. Bathymetric (or hydrographic) charts are typically produced to support safety of surface or sub-su...
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http://en.wikipedia.org/wiki/Bathymetry

• (n.) The art or science of sounding, or measuring depths in the sea.
Found on
http://thinkexist.com/dictionary/meaning/bathymetry/

measurement of ocean depth. The earliest technique involved lowering a heavy rope or cable of known length over the side of a ship, then measuring ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/b/31

the study and mapping of sea floor elevations and changes in water depth due to structures that rise up into the water column.
Found on
http://www.coml.org/edu/glossary/g1.htm

The study of water depths.
Found on
http://www.encyclo.co.uk/local/20124

The measurement of ocean depths and the preparation of topographic maps of the ocean floor.
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http://www.encyclo.co.uk/local/22392
Ba·thym'e·try noun [ Greek
ba`qos depth +
-metry .] The art or science of sounding, or measuring depths in the sea.
Found on
http://www.encyclo.co.uk/webster/B/22

The measurement of ocean depths and the charting (mapping) of the topography of the ocean floor.
Found on
http://www.evcforum.net/WebPages/Glossary_Geology.html

Bathymetry is the art or science of sounding, or measuring depths in the sea, oceans and lakes.
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http://www.probertencyclopaedia.com/browse/GB.HTM

The study and mapping of sea-floor topography.
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http://www.scientificpsychic.com/etc/geology-glossary.html

[
n] - measuring the depths of the oceans
Found on
http://www.webdictionary.co.uk/definition.php?query=bathymetry

bathymetry, bathymetric 1. The measurement of the depths of oceans, seas, or other large bodies of water. 2. The data derived from such measurement; especially, as compiled in a topographic map. 3. The process of measuring the depths of sea or oceans. 4. The science of measuring ocean depths in order to determine the sea floor topography.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1302/6

The measurement of DEPTHS of water in oceans, seas and lakes; also the information derived from such measurements.
Found on
https://www.encyclo.co.uk/local/20127

The science of measuring ocean depths to determine the topography of the sea floor.
Found on
https://www.encyclo.co.uk/local/20128
plumbing noun measuring the depths of the oceans
Found on
https://www.encyclo.co.uk/local/20974

Measurement of the depth of the sea floor below sea level.
Found on
https://www.encyclo.co.uk/local/22504

The measurement of depths of water in oceans, seas, and lakes; also information derived from such measurements. Topography of the ocean floor indicated by depth contours drawn at regular intervals.
Found on
https://www.encyclo.co.uk/local/22831
No exact match found.