hy·dro·sphere

[hahy-druh-sfeer]
noun
the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere.

Origin:
1885–90; hydro-1 + -sphere

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
hydrosphere (ˈhaɪdrəˌsfɪə) [Click for IPA pronunciation guide]
 
n
the watery part of the earth's surface, including oceans, lakes, water vapour in the atmosphere, etc
 
hydro'spheric
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Hydrosphere is always a great word to know.
So is flibbertigibbet. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a chattering or flighty, light-headed person.
American Heritage
Science Dictionary
hydrosphere   (hī'drə-sfîr')  Pronunciation Key 
All of the Earth's water, including surface water (water in oceans, lakes, and rivers), groundwater (water in soil and beneath the Earth's surface), snowcover, ice, and water in the atmosphere, including water vapor. Compare asthenosphere, atmosphere, lithosphere.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Hydrosphere is a privately held consulting firm specializing in water resources planning and management.
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