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seawater

[see-waw-ter, -wot-er] /ˈsiˌwɔ tər, -ˌwɒt ər/
noun
1.
the salt water in or from the sea.
Origin
1000
before 1000; Middle English see water, Old English sǣwæter; see sea, water
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for seawater
  • Use seawater if fresh water supplies are low for all washing and sterilizing.
  • It can be raised in seawater, and thus doesn't deplete freshwater stocks.
  • Among other things, they were trying to keep the reactors cool by using fire-fighting equipment to spray seawater into the cores.
  • Huge amounts of seawater sink at known downwelling sites every winter, with the water heading south when it reaches the bottom.
  • Some of us have even found a home in the waves, riding on gentle swells or braving roaring mountains of seawater.
  • Presumably you'll also need to bring along a plastic bag to protect them from all that thirstily-absorbed seawater.
  • Minutes after birth, a squid begins circulating seawater through a hollow chamber in its body.
  • The aquifer is naturally filled with seawater, but when the freshwater enters, it pushes the brackish water back.
  • The bread, which they had carefully dried in the sun, now contained all the salt of seawater-but without the water.
  • Warm seawater, taken from close to the surface, is pumped so that it trickles down these units.
seawater in Science
seawater
  (sē'wô'tər)   
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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11
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