hydrographic

- 3 dictionary results

hy⋅drog⋅ra⋅phy

[hahy-drog-ruh-fee]

–noun

1.	the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.

2.	those parts of a map, collectively, that represent surface waters.

Origin:
1550–60; hydro- ¹ + -graphy

Related forms:

hy⋅drog⋅ra⋅pher, noun

hy⋅dro⋅graph⋅ic [hahy-druh-graf-ik]

, hy⋅dro⋅graph⋅i⋅cal, adjective

hy⋅dro⋅graph⋅i⋅cal⋅ly, adverb

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source

hy·drog·ra·phy (hī-drŏg'rə-fē)

n. pl. hy·drog·ra·phies

The scientific description and analysis of the physical conditions, boundaries, flow, and related characteristics of the earth's surface waters.
The mapping of bodies of water.

hy·drog'ra·pher n., hy'dro·graph'ic (hī'drə-grāf'ĭk) adj., hy'dro·graph'i·cal·ly adv.

Science Dictionary

hydrography (hī-drŏg'rə-fē) Pronunciation Key

The scientific description and analysis of the physical characteristics of Earth's surface waters, including temperature, salinity, oxygen saturation, and the chemical content of water. Oceanography (the study of saltwater bodies) and limnology (the study of freshwater bodies) are subsets of hydrography.
The mapping of bodies of water.

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