Dictionary
Words, grammatical forms and meanings linked to the ontology.
alkaline earth en · NOUN
Meanings
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Any oxide of the elements of group II of the periodic table; they are not as basic as the alkalis, and not so soluble in water.
Four of the earths, namely, lime, baryta, strontia, and magnesia, possess alkaline properties to a considerable extent, and are hence called alkaline earths.
1846, editorial staff, “CHEMISTRY”, in Scientific American, series 1, Volume 2, Issue 13, page 102:
Forms
Deriveds
alkaline earth metal