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hydrosphere

noun

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

Etymology

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

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