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alkaline

[ al-kuh-lahyn, -lin ]
/ ˈæl kəˌlaɪn, -lɪn /
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adjective Chemistry.
of or like an alkali.
containing an alkali.
having the properties of an alkali.
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. 2023

How to use alkaline in a sentence

British Dictionary definitions for alkaline

alkaline
/ (ˈælkəˌlaɪn) /

adjective
having the properties of or containing an alkali
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

Scientific definitions for alkaline

alkaline
[ ălkə-lĭn, -līn′ ]

Capable of neutralizing an acid. Bases are alkaline.
Relating to an alkali compound.
Having a pH greater than 7.
Having a relatively low concentration of hydrogen ions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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