#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"
  instance:  Antarctic_Ocean  Arctic_Ocean  Atlantic_Ocean  Indian_Ocean  Pacific_Ocean
  part of:  hydrosphere
  subtype:  deep  literary term for an ocean; "denizens of the deep"

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