hydrosphere


hy·dro·sphere

noun \-ˌsfir\

Definition of HYDROSPHERE

:  the aqueous vapor of the atmosphere; broadly :  the aqueous envelope of the earth including bodies of water and aqueous vapor in the atmosphere
hy·dro·spher·ic \ˌhī-drə-ˈsfir-ik, -ˈsfer-\ adjective

Origin of HYDROSPHERE

International Scientific Vocabulary
First Known Use: 1887

hydrosphere

noun    (Concise Encyclopedia)

Discontinuous layer of water at or near the Earth's surface. It includes all liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapour. Virtually all of these waters are in constant circulation through the hydrologic cycle. Although the components of the hydrosphere are undergoing continuous change of state and location, the total water budget remains in balance. The components of the hydrosphere have been seriously affected by the water-polluting activities of modern society.

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