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alkaline

[al-kuh-lahyn, -lin]
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adjective Chemistry.
  1. of or like an alkali.
  2. containing an alkali.
  3. having the properties of an alkali.
  4. having a pH value greater than 7.Compare acid(def 5c).
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Origin of alkaline

First recorded in 1670–80; alkal(i) + -ine1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for alkaline

soluble, salty, acrid, alkali, bitter, caustic, alkalescent, antacid

Examples from the Web for alkaline

Contemporary Examples of alkaline

Historical Examples of alkaline


British Dictionary definitions for alkaline

alkaline

adjective
  1. having the properties of or containing an alkali
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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

Word Origin and History for alkaline

adj.

1670s, "pertaining to alkalis," from alkali + -ine (1). Of soils, attested from 1850.

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Online Etymology Dictionary, © 2010 Douglas Harper

alkaline in Medicine

alkaline

(ălkə-lĭn, -līn′)
adj.
  1. Of, relating to, or containing an alkali.
  2. Having a pH greater than 7.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

alkaline in Science

alkaline

[ălkə-lĭn, -līn′]
  1. Capable of neutralizing an acid. Bases are alkaline.
  2. Relating to an alkali compound.
  3. Having a pH greater than 7.
  4. Having a relatively low concentration of hydrogen ions.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.