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hydrotherapy
hydrothermal
hydrothermal metamorphism
hydrothorax
hydrotropism
hydrous
hydroxide
hydroxide ion
hydroxy
hydroxyapatite
hydroxychloroquine
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hydrosphere
hy·dro·sphere [ hdrə sfr ]


noun 
Definition:
 
all water on earth: the portion of Earth's surface that is water, including the seas and water in the atmosphere

hy·dro·spher·ic [ hdrə sfrik, hdrə sférrik ] adjective
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