alkaline earths

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(¦al·kə′līn ′ərth)

(inorganic chemistry) An oxide of an element of group 2 in the periodic table, such as barium, calcium, and strontium. Also known as alkaline-earth oxide.


alkaline earths (ăl'kəlīn, -lĭn), oxides of the alkaline-earth metals, especially of calcium, strontium, and barium. They are not readily soluble in water and form solutions less basic than those of alkalies.



n.

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

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earth (in chemistry)