Nearby Words

alkaline

[al-kuh-lahyn, -lin] Example Sentences Origin

al·ka·line

[al-kuh-lahyn, -lin]
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).

Origin:
1670–80; alkal(i) + -ine1
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Alkaline is always a great word to know.
So is catalyst. Does it mean:
an atomic spatial arrangement that results from rotation of carbon atoms about single bonds within an organic molecule
a substance that causes a chemical reaction without itself being affected
Example Sentences
  • Figeczky said the environmental risk was created by the highly alkaline substance flowing into rivers and killing all life there.
  • With their blood more alkaline than usual, mountaineers can grow dizzy or nauseated.
  • Phoenix finds alkaline soil with plenty of minerals.
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Collins
World English Dictionary
alkaline (ˈælkəˌlaɪn)
 
adj
having the properties of or containing an alkali

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

alkaline
1670s, from Mod.L. alcalinus (from alkali) + chemical suffix -ine. Of soils, attested from 1850.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

alkaline al·ka·line (āl'kə-lĭn, -līn')
adj.

  1. Of, relating to, or containing an alkali.

  2. Having a pH greater than 7.

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
alkaline   (āl'kə-lĭn, -līn')  Pronunciation Key 
  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.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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