hy·​dro·​sphere ˈhī-drō-ˌsfir How to pronounce hydrosphere (audio)
: the aqueous vapor of the atmosphere
broadly : the aqueous envelope of the earth including bodies of water and aqueous vapor in the atmosphere
hydrospheric adjective

Word History


borrowed from German Hydrosphäre, from hydro- hydro- + -sphäre -sphere

Note: Hydrosphäre was introduced by the Austrian geologist Eduard Suess (1831-1914) in Die Entstehung der Alpen (Vienna, 1875), p. 158.

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of hydrosphere was in 1887

Dictionary Entries Near hydrosphere

Cite this Entry

“Hydrosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrosphere. Accessed 27 Jan. 2023.

Kids Definition


hy·​dro·​sphere ˈhī-drə-ˌsfi(ə)r How to pronounce hydrosphere (audio)
: the surface waters of the earth and the water vapor in the atmosphere

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