hydrospace

noun
hy·​dro·​space | \ ˈhī-drō-ˌspās How to pronounce hydrospace (audio) \

Definition of hydrospace

: the regions beneath the surface of the ocean

First Known Use of hydrospace

1963, in the meaning defined above

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The first known use of hydrospace was in 1963

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Cite this Entry

“Hydrospace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrospace. Accessed 28 May. 2020.

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