"You canker blossom!" 3 Shakespearean Insults


[al-kuh-lahyn, -lin] /ˈæl kəˌlaɪn, -lɪn/
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).
Origin of alkaline
1670-80; alkal(i) + -ine1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for alkaline
  • He washed the map for four days in an alkaline bath that removed acid and grime, and he cut away the linen backing.
  • With their blood more alkaline than usual, mountaineers can grow dizzy or nauseated.
  • The problem is that current electrolyzer technology takes a lot of energy in a harsh, alkaline environment.
  • Bilirubin levels increase after alkaline phosphatase rises.
  • They use an alkaline solution, but the alkali is not consumed.
  • Normally tolerant of saline or alkaline soils, they sometimes suffer from chlorosis.
  • Because plaster is mixed with lime, it has a high alkaline content.
  • It's an alkaline fluid consisting of bile salts, bile pigments, cholesterol and lecithin.
  • Blood tests may show higher than normal levels of bilirubin and alkaline phosphatase.
  • Plants are sensitive to salt burn in alkaline soils.
British Dictionary definitions for alkaline


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
Cite This Source
Word Origin and History for alkaline

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

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
alkaline in Medicine

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

  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.
Cite This Source
alkaline in Science
  (āl'kə-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.

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

Word of the Day

Difficulty index for alkaline

Most English speakers likely know this word

Word Value for alkaline

Scrabble Words With Friends

Nearby words for alkaline