hydrosphere

noun hy·dro·sphere \-ˌsfir\

Definition of HYDROSPHERE

: the aqueous vapor of the atmosphere; broadly : the aqueous envelope of the earth including bodies of water and aqueous vapor in the atmosphere

— hy·dro·spher·ic \ˌhī-drə-ˈsfir-ik, -ˈsfer-\ adjective

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International Scientific Vocabulary

First Known Use: 1887

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