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[sey-leen, -lahyn] /ˈseɪ lin, -laɪn/
of, containing, or resembling common table salt; salty or saltlike:
a saline solution.
of or relating to a chemical salt, especially of sodium, potassium, magnesium, etc., as used as a cathartic.
of or relating 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.
Origin of saline
1400-50; Middle English: composed of salt < Latin salīnus salty, equivalent to sal sal + -īnus -ine1
Related forms
[suh-lin-i-tee] /səˈlɪn ɪ ti/ (Show IPA),
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. 2015.
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Examples from the web for saline
  • The plasma the company removes is replaced with a saline solution, in which your non-plasma blood components are returned.
  • Slightly saline, the lake is punctuated by spectacular tufa formations.
  • The closed-tube design allows saline aerials to be deployed on land, too.
  • One of his relatives, a pharmacist, was picked up a few days ago carrying gauze and saline solution.
  • The only water people have to drink is saline and polluted.
  • It will also help to repel saline intrusion in the coastal areas of the delta.
  • The raw material was not the sea itself, but highly saline water far below the ground.
  • The saline solution will certainly address the dehydration, but that's only part of the problem.
  • The one proven technology, an intravenous saline drip, has a few drawbacks.
  • These might be dipped in sulfur oil or a saline solution.
British Dictionary definitions for saline


of, concerned with, consisting of, or containing common salt: a saline taste
(med) of or relating to a saline
of, concerned with, consisting of, or containing any chemical salt, esp a metallic salt resembling sodium chloride
(med) an isotonic solution of sodium chloride in distilled water
Derived Forms
salinity (səˈlɪnɪtɪ) noun
Word Origin
C15: from Late Latin salīnus, from Latin sal salt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for saline

"made of salt," c.1500, probably from a Latin word related to salinum "salt cellar" and salinae "salt pits," from sal (genitive salis) "salt" (see salt (n.)). Also in Middle English as a noun meaning "salt pit" (13c.). Saline solution attested from 1833.

Online Etymology Dictionary, © 2010 Douglas Harper
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saline in Medicine

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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saline in Science
Of or containing salt.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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