The waters of the earth's surface as distinguished from those of the lithosphere and the atmosphere.
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
Origin of Hydrosphere
hydro- + -sphere
Hydrosphere Is Also Mentioned In
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