seawater

[see-waw-ter, -wot-er]

sea·wa·ter

[see-waw-ter, -wot-er]
noun
the salt water in or from the sea.

Origin:
before 1000; Middle English see water, Old English sǣwæter; see sea, water
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Seawater is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a gadget; dingus; thingumbob.
American Heritage
Science Dictionary
seawater   (sē'wô'tər)  Pronunciation Key 
Salt water, normally with a salinity of 35 parts per thousand (3.5%), in or coming from the sea or ocean. Although seawater contains more than 70 elements, most seawater salts are ions of six major elements: chloride, sodium, sulfate, magnesium, calcium, and potassium. The major sources of these salts are underwater volcanic eruptions, chemical reactions involving volcanic matter, and chemical weathering of rocks on the coasts. Seawater is believed to have had the same salinity for billions of years.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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