noun hy·dro·sphere \ˈhī-drō-ˌsfir\

Definition of hydrosphere

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


play \ˌhī-drə-ˈsfir-ik, -ˈsfer-\ adjective

Origin and Etymology of hydrosphere

International Scientific Vocabulary

First Known Use: 1887

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