an oxide of any of the bivalent metals calcium, strontium, barium, magnesium, radium, or beryllium
(also alkaline earth metal) any of the metals whose oxides are alkaline earths
| 单词 | alkaline earth |
| 释义 | alkaline earthnounan oxide of any of the bivalent metals calcium, strontium, barium, magnesium, radium, or beryllium (also alkaline earth metal) any of the metals whose oxides are alkaline earths |
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