[sey-leen, -lahyn]
of, containing, or resembling common table salt; salty or saltlike: a saline solution.
of or pertaining to a chemical salt, especially of sodium, potassium, magnesium, etc., as used as a cathartic.
of or pertaining to a method of abortion involving injection of hypertonic saline solution into the amniotic cavity during the second trimester.
a sterile solution of sodium chloride used to dilute medications or for intravenous therapy.
salty water; a salty solution.

1400–50; Middle English: composed of salt < Latin salīnus salty, equivalent to sal sal + -īnus -ine1

salinity [suh-lin-i-tee] , noun
hypersaline, adjective
hypersalinity, noun
nonsaline, adjective
nonsalinity, noun
semisaline, adjective
subsaline, adjective
subsalinity, noun
unsaline, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
saline (ˈseɪlaɪn)
1.  of, concerned with, consisting of, or containing common salt: a saline taste
2.  med of or relating to a saline
3.  of, concerned with, consisting of, or containing any chemical salt, esp a metallic salt resembling sodium chloride
4.  med an isotonic solution of sodium chloride in distilled water
[C15: from Late Latin salīnus, from Latin sal salt]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1450, probably from a Latin word related to salinum "salt cellar" and salinæ "salt pits," from sal (gen. salis) "salt" (see salt).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

saline sa·line (sā'lēn', -līn')

  1. Of, relating to, or containing salt; salty.

  2. Of or relating to chemical salts.

  1. A salt of magnesium or of the alkalis, used in medicine as a cathartic.

  2. A saline solution, especially one that is isotonic to blood.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
saline   (sā'lēn')  Pronunciation Key 
Of or containing salt.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
High salinity promotes both reproduction and rapid growth of oysters.
Their process is fuelled by concentration gradients of salinity between
  different vessels of brine.
One purpose of the openings is to maintain the proper salinity for the bivalves
  to grow and reproduce.
And despite dredging, salinity was becoming a problem.
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