Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The area between the ocean's surface and the seabed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun That part of the Earth, or other planet, that lie below the surface of its lakes, seas and oceans

Etymologies

Sorry, no etymologies found.

Examples

  • And you have to hydrospace, shoot through hydrospace and you never know where you're going to come back.

    CNN Transcript Mar 4, 2009

  • Work ranges from surveying and engineering in tidal and coastal areas to geomagnetic and hydrospace seismological observations.

    Discover What You’re Best At

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