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SEAWATER
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I. (noun)
Sense 1
Meaning:
Water containing salts
Example:
the water in the ocean is all saltwater
Synonyms:
Classified under:
Hypernyms ("seawater" is a kind of...):
H2O; water (binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent)
Meronyms (substance of "seawater"):
atomic number 35; Br; bromine (a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water)
atomic number 53; I; iodin; iodine (a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks))
atomic number 19; K; potassium (a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite)
atomic number 11; Na; sodium (a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt))
common salt; sodium chloride (a white crystalline solid consisting mainly of sodium chloride (NaCl))
calcium chloride (a deliquescent salt; used in de-icing and as a drying agent)
evaporite (the sediment that is left after the evaporation of seawater)
Hyponyms (each of the following is a kind of "seawater"):
red tide (seawater that is discolored by large numbers of certain dinoflagellates that produce saxitoxin)
Context examples:
"Blue sharks can’t regulate their body temperature internally to stay warmer than the ambient seawater like white sharks can," said Braun.
(Blue sharks use ocean eddies as fast-tracks to food, National Science Foundation)
Layer of seawater containing a high concentration of suspended sediment that may reach heights of several hundred meters above the ocean floor.
(Nepheloid layer, NOAA Paleoclimate Glossary)
A single drop of seawater can contain a wide representation of ocean microbes from around the world — revealing new insights into the ecology, evolution and biotechnology potential of the global microbiome.
(Study analyzing cells' blueprints reveals new patterns in the global distribution and diversity of ocean microbes, National Science Foundation)
Biological oceanographer Jennifer Brandon found some of the tiniest microplastics in seawater at much higher concentrations than previously measured.
(Microplastics million times more abundant in the ocean than previously thought, National Science Foundation)
The glaciers flow out from land to the ocean, with their leading edges afloat on the seawater.
(West Antarctic Glacier loss appears unstoppable, NASA)
Scientists at the Scripps Institution of Oceanography at the University of California, San Diego, have found that low oxygen levels in seawater could blind some marine invertebrates.
(Low ocean oxygen levels can blind sea creatures, National Science Foundation)
This allowed warm seawater to flow under the shelf, causing it to lift off from the prominent sea floor ridge that held it in place.
(West Antarctica's largest glacier may have started retreating as early as the 1940s, NSF)
Teeth and scales, along with a small amount of calcified cartilage from the jaw and gill structure of a Gladbachus, dated back 385 million years, were collected in Germany which, like most of Europe, was covered by seawater during the ancient shark's lifetime.
(Ancient sharks likely more diverse than previously thought, National Science Foundation)
However, carbon dioxide dissolved into the ocean causes seawater to acidify, threatening the ability of shellfish and corals to build their skeletons, and affecting the health of other fish and marine species — many that are important to coastal economies and food security.
(Global ocean is absorbing more carbon from fossil fuel emissions, NOAA)
Tracing a chemical signature of helium in seawater, an international team of scientists funded by the National Science Foundation (NSF) and the United Kingdom's (U.K.) Natural Environment Research Council (NERC) has discovered a previously unknown volcanic hotspot beneath the massive West Antarctic Ice Sheet (WAIS).
(Previously unsuspected volcanic activity confirmed under West Antarctic Ice Sheet at Pine Island Glacier, National Science Foundation)
