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Synonyms

saline

American  
[sey-leen, -lahyn] / ˈseɪ lin, -laɪn /

adjective

  1. of, containing, or resembling common table salt; salty or saltlike.

    a saline solution.

  2. of or relating to a chemical salt, especially of sodium, potassium, magnesium, etc., as used as a cathartic.

  3. of or relating to a method of abortion involving injection of hypertonic saline solution into the amniotic cavity during the second trimester.


noun

  1. a sterile solution of sodium chloride used to dilute medications or for intravenous therapy.

  2. salty water; a salty solution.

saline British  
/ səˈlɪnɪtɪ, ˈseɪlaɪn /

adjective

  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

"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

noun

  1. med an isotonic solution of sodium chloride in distilled water

"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
saline Scientific  
/ sālēn′ /
  1. Of or containing salt.


Other Word Forms

Etymology

Origin of saline

First recorded in 1400–50; Middle English: “composed of salt,” from Latin salīnus “salty,” equivalent to sal “salt” + -īnus adjective suffix; see sal, -ine 1

Explanation

Saline is an adjective that means "salty." While "salty" is a perfectly good word to use when describing French fries or tears, saline tends to be a word you might hear in a more official setting, like in a hospital or in a geology class. If you watch a lot of hospital dramas on TV, you have definitely heard the exclamation, “Nurse, the patient needs an IV saline solution, stat!” because sick people in hospitals tend to get saline solutions to keep them hydrated. Saline mostly has a scientific meaning; it is not usually used to mean salty tasting. If you want to get really scientific, salt is actually called sodium chloride, but "sodium chloride pretzels" would probably not fly off the grocery store shelves.

Keep Reading on Vocabulary.com

Vocabulary lists containing saline

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company also reached an agreement to power Oracle’s External link data center in Saline Township, Mich.

From Barron's • Feb. 17, 2026

But the Saline Township deal is one of the biggest announced so far.

From The Wall Street Journal • Oct. 30, 2025

More recently, it stood as an artifact in the Saline Valley, and it marked the edge of a hiking trail through the sun-baked wilderness.

From New York Times • May 18, 2024

James, a former Eldorado city council member and Saline County board member, has served as mayor of the town of about 3,500 people since 2007.

From Seattle Times • May 6, 2024

Because she loves me, Maman put me on that lad-der, the ladder out of La Saline.

From "Taste of Salt: A Story of Modern Haiti" by Frances Temple