hydrography

[ hahy-drog-ruh-fee ]
/ haɪˈdrɒg rə fi /

noun

the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
those parts of a map, collectively, that represent surface waters.

Origin of hydrography

First recorded in 1550–60; hydro-1 + -graphy

OTHER WORDS FROM hydrography

hy·drog·ra·pher, noun hy·dro·graph·ic [hahy-druh-graf-ik] /ˌhaɪ drəˈgræf ɪk/, hy·dro·graph·i·cal, adjective hy·dro·graph·i·cal·ly, adverb

Example sentences from the Web for hydrography

British Dictionary definitions for hydrography

hydrography
/ (haɪˈdrɒɡrəfɪ) /

noun

the study, surveying, and mapping of the oceans, seas, and rivers Compare hydrology
the oceans, seas, and rivers as represented on a chart

Derived forms of hydrography

hydrographer, noun

Scientific definitions for hydrography

hydrography
[ hī-drŏgrə-fē ]

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.