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carbolic acid

(Encyclopedia)carbolic acid: see phenol.

carbonic acid

(Encyclopedia)carbonic acid, H2CO3, a weak dibasic acid (see acids and bases) formed when carbon dioxide dissolves in water; it exists only in solution. Carbonic acid forms carbonate and bicarbonate (or acid carbon...

carboxylic acid

(Encyclopedia)carboxylic acid: see carboxyl group. ...

prussic acid

(Encyclopedia)prussic acid: see hydrogen cyanide. ...

pteroylglutamic acid

(Encyclopedia)pteroylglutamic acid tĕrōˌĭlglo͞otămˈĭk [key]: see vitamin. ...

pyroligneous acid

(Encyclopedia)pyroligneous acid pīˌrəlĭgˈnēəs [key], a dark liquid that is essentially a mixture of acetic acid and methanol (wood alcohol) and is obtained in the destructive distillation of wood. It once se...

picric acid

(Encyclopedia)picric acid trīˌnīˌtrōfēˈnōl [key], C6H2(NO2)3OH, a toxic yellow crystalline solid that melts at 122℃ and is soluble in most organic solvents. Picric acid is a derivative of phenol. It react...

racemic acid

(Encyclopedia)racemic acid rāsēˈmĭk [key]: see tartaric acid. ...

oxalic acid

(Encyclopedia)oxalic acid ĕthˌāndīōĭk [key], HO2CCO2H, a colorless, crystalline organic carboxylic acid that melts at 189℃ with sublimation. Oxalic acid and oxalate salts are poisonous. Oxalic acid is found...

acid rain

(Encyclopedia)acid rain or acid deposition, form of precipitation (rain, snow, sleet, or hail) containing high levels of sulfuric or nitric acids (pH below 5.5–5.6). Produced when sulfur dioxide and various nitro...