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hydrosphere

[hahy-druh-sfeer] /ˈhaɪ drəˌsfɪər/
noun
1.
the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere.
Origin
1885-1890
1885-90; hydro-1 + -sphere
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hydro-sphere

hydrosphere

/ˈhaɪdrəˌsfɪə/
noun
1.
the watery part of the earth's surface, including oceans, lakes, water vapour in the atmosphere, etc
Derived Forms
hydrospheric, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for hydro-sphere

hydrosphere

n.

1887, from hydro- + sphere.

Online Etymology Dictionary, © 2010 Douglas Harper
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hydro-sphere in Science
hydrosphere
  (hī'drə-sfîr')   
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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Word Value for hydro

12
10
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