a natural acid which contains a number of carboxyl teams.
any one of a class of organic compounds containing a carboxyl useful team.
an organic mixture whoever acidity is because of the presence of a carboxyl gorup. Monocarboxylic acids (eg acetic acid or butyric acid) have one carboxyl team, dicarboxylic acids (such oxalic acid or malonic acid) have actually two, tricarboxylic acids (eg citric acid) have three.
a natural acid characterized by several carboxyl teams