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alkaline earth

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alkaline earth

 
Use alkaline earth in a Sentence
–noun Chemistry.
any of the oxides of barium, radium, strontium, calcium, and, sometimes, magnesium.
Origin:
1810–20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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al·ka·line-earth metal   (āl'kə-lĭn-ûrth', -līn'-)   
n.  Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. Also called alkaline earth.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: alkaline earth
Function: noun
1 : an oxide of an alkaline earth metal
2 : ALKALINE EARTH METAL
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

alkaline earth n.
The oxides of calcium, strontium, radium, and barium, and sometimes magnesium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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