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- n. 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
Sorry, no etymologies found.