Acid precipitation
meteorological precipitation that is relatively acidic.
acid precipitation
any form of precipitation, including rain, snow, hail, fog, or dew, that is high in acid pollutants, especially sulfuric and nitric acid. acid precipitation has a ph of less than 5.6 (the normal acidity of unpolluted atmospheric water) and is often less than ph 5.0. also called acid rain. see note at acid deposition.
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- Acid radical
the remainder of an acid molecule after acidic hydrogen has been removed. historical examples in acid salts the prefixes noticed above are added to express the preponderance of the acid radical over the metal. cooley’s practical receipts, volume ii arnold cooley every salt, therefore, consists of a basic and of an acid radical. cooley’s practical […]
- Gastroesophageal reflux disease
a chronic condition in which acid from the stomach flows back into the lower esophagus, causing pain or tissue damage. gastroesophageal reflux disease (gās’trō-ĭ-sŏf’ə-jē’əl) a condition in which relaxation of the lower esophageal sphincter allows gastric acids to move up into the esophagus, causing heartburn, dyspepsia, and possible injury to the mucous membranes lining the […]
- Acid rebound
noun an added secretion of gastric acid that may occur after the initial buffering effect of an antacid examples when antacids containing calcium carbonate are used, there is a chance for acid rebound.
- Acid salt
a salt of a polybasic acid that is only partially neutralized by a base; a salt that is also an acid. historical examples the resulting crystals (metantimoniate of pot-ssa), by solution in pure water, are resolved into free pot-ssa and the acid salt. cooley’s practical receipts, volume ii arnold cooley then with your finger rub […]
- Acid soil
a soil of acid reaction or having a predominance of hydrogen ions, tasting sour in solution. historical examples the manure and fertilizer were nearly inactive in the acid soil. crops and methods for soil improvement alva agee persian walnut, i believe, when on its own roots, is more or less allergic to acid soil. northern […]