hydrography

Definition of Hydrography in English :

1. hydrography

the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation

WordNet Lexical Database for English. Princeton University. 2010.

Hydrography

noun

1.

the study, surveying, and mapping of the oceans, seas, and rivers

Compare hydrology

2.

the oceans, seas, and rivers as represented on a chart

noun

1.

the study, description, and mapping of oceans, lakes, and rivers, esp. with reference to their navigational and commercial uses

2.

the oceans, lakes, rivers, etc. of a region, esp. as dealt with on a map or in a survey, treatise, etc.

n. pl. hy·drog·ra·phies

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

2. The mapping of bodies of water.