#seawater__saltwater__brine  water containing salts; "the water in the ocean is all saltwater"
  exclusion:  #fresh_water
  supertype:  #water__H2O  binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; "he asked for a drink of water"
  substance:  #bromine  #iodine  #potassium  #sodium  #sodium_chloride  #calcium_chloride  #evaporite
  subtype:  #red_tide__redtide  seawater that is discolored by large numbers of certain dinoflagellates that produce saxitoxin

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