- seawater, saltwater, brine - water containing salts; "the water in the ocean is all saltwater"
--1 is a kind of water, H2O
--1 has substances:
Antonyms: fresh waterbromine, Br, atomic number 35; iodine, iodin, I, atomic number 53; potassium, K, atomic number 19; sodium, Na, atomic number 11; sodium chloride, common salt; calcium chloride; evaporite
--1 has particulars: red tide