#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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