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| barium |
a chemical element of the alkaline-earth group that has fifty-seven protons in each nucleus and that is usu. found in compounds such as salts. (symbol: Ba) [1/2 definitions] |
| beryllium |
a chemical element of the alkaline-earth group that has four protons in each nucleus and occurs in pure form as a hard, light, gray solid, chiefly used in alloys with copper and in aerospace material. (symbol: Be) |
| calcium |
a chemical element of the alkaline-earth group that has twenty protons in each nucleus and occurs widely in nature, but only in compounds such as calcite or limestone. (symbol: Ca) [1/2 definitions] |
| limewater |
a clear alkaline solution of calcium hydroxide, used in medicine, lotions, antacids, and the like. |
| lithium oxide |
a very alkaline powder used in making glass and ceramics; lithia. |
| litmus |
a powder derived from lichens that turns blue in alkaline solutions and red in acid solutions, used as an indicator. |
| magnesium |
a highly reactive chemical element of the alkaline-earth group that has twelve protons in each nucleus and that occurs naturally only in compounds, but that can be isolated as a divalent ion essential in plant and animal nutrition, or as alight, ductile, silver-white solid that bursts into a bright flame when heated above room temperature, used for flares, fireworks, and the like. (symbol: Mg) |
| neutral |
in chemistry, neither acid nor alkaline. [1/9 definitions] |
| pancreatic juice |
the clear, alkaline secretion of the pancreas that aids in the digestion of proteins, carbohydrates, and fats. |
| potassium carbonate |
an alkaline crystalline powder used to make products such as glass, ceramics, and soaps. |
| saltbush |
any of various plants of the goosefoot family that grow in saline or alkaline soil. |
| salt grass |
any of various grasses that grow in salt marshes or alkaline soil. |
| silicic acid |
a gelatinous substance occurring when alkaline silicates are acidified. |
| strontium |
a highly reactive chemical element of the alkaline-earth group that has thirty-eight protons in each nucleus, that occurs naturally only in compounds, and that has highly toxic radioactive isotopes that are by-products of some types of nuclear fission reactions. (symbol: Sr) |
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