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| acidosis |
an abnormally high acidity of body tissues and fluids. |
| acid rain |
rain that has high acidity because of being mixed with pollutants such as vehicle exhausts and residues from burning of fossil fuels for energy or from chemical manufacturing. |
| acidulous |
faintly sour in taste; of mild acidity. [1/2 definitions] |
| antacid |
neutralizing or correcting acidity. [2 definitions] |
| buffer1 |
in chemistry, a substance that preserves the relative acidity or alkalinity of a solution when an acid or base is added. [1/6 definitions] |
| litmus paper |
a small strip of white paper treated with litmus, used in chemistry as an indicator of acidity and alkalinity. |
| pH |
a symbol for a measure of the degree of alkalinity or acidity of a solution, determined by the concentration or activity of hydrogen ions therein (often fol. by a number, with seven indicating neutrality, zero to six indicating acidity, and eight to fourteen indicating alkalinity). |
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