Meaning of HYDROGRAPHY in English

HYDROGRAPHY

— hydrographer , n. — hydrographic /huy'dreuh graf"ik/ , hydrographical , adj. — hydrographically , adv.

/huy drog"reuh fee/ , n.

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.

[ 1550-60; HYDRO- 1 + -GRAPHY ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .