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Definition of TARTARIC ACID
: a strong dicarboxylic acid C4H6O6 of plant origin that occurs in various isomeric forms, is usually obtained from tartar, and is used especially in food and medicines, in photography, in wine making, and in making salts and esters
First Known Use of TARTARIC ACID
Medical Definition of TARTARIC ACID
: a strong dicarboxylic acid C4H6O6 of plant origin that occurs in three optically isomeric crystalline forms; especially: a dextrorotatory L-form of tartaric acid that is widely distributed in plants and especially in fruits (as grapes) both free and combined as salts and that is used chiefly in effervescent beverages and pharmaceutical preparations, in desserts and candies, in photography, in making salts and esters, and as a sequestering agent