Definitions

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

  • noun The waters of the earth's surface as distinguished from those of the lithosphere and the atmosphere.
  • noun The water vapor in the earth's atmosphere.

from The Century Dictionary.

  • noun The aqueous envelop of the globe.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Meteor.) The aqueous vapor of the entire atmosphere.
  • noun (Phys. Geog.) The aqueous envelope of the earth, including the ocean, all lakes, streams, and underground waters, and the aqueous vapor in the atmosphere.

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

  • noun All the waters of the Earth, as distinguished from the land and the gases of the atmosphere.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the watery layer of the earth's surface; includes water vapor

Etymologies

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