Hydrosphere Definition
hīdrə-sfîr
noun
The waters of the earth's surface as distinguished from those of the lithosphere and the atmosphere.
American Heritage
All the water on the surface of the earth, including oceans, lakes, glaciers, etc.: water vapor, clouds, etc. may be considered part of the atmosphere or of the hydrosphere.
Webster's New World
Other Word Forms of Hydrosphere
Noun
Singular:
hydrosphere
Plural:
hydrospheresOrigin of Hydrosphere
hydro- + -sphere
From Wiktionary
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