#ocean  a large body of water constituting a principal part of the hydrosphere
  supertype:  body_of_water__water  the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"
  subtype:  deep  literary term for an ocean; "denizens of the deep"
  instance:  Antarctic_Ocean  Arctic_Ocean  Atlantic_Ocean  Indian_Ocean  Pacific_Ocean
  part of:  hydrosphere  the watery layer of the earth's surface; includes water vapor
     part of:  Earth.terrestrial_planet__earth__globe  the 3rd planet from the sun; the planet on which we live; "the Earth moves around the sun"; "he sailed around the world"

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