hydrosphere

Noun
  1. The watery layer of the earth's surface;
    Includes water vapor (synset 109330808)
    is a type of: layer - a relatively thin sheetlike expanse or region lying over or under another
    has:
    • body of water, water - the part of the earth's surface covered with water (such as a river or lake or ocean)
    • briny, main - any very large body of (salt) water
    • ocean - a large body of water constituting a principal part of the hydrosphere
    • sea - a division of an ocean or a large body of salt water partially enclosed by land
    is a part of: earth, globe, world - the 3rd planet from the sun; the planet we live on

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