Definition of citric acid Citric acid
cit•ric ac•id
We found 4 definitions of citric acid from 4 different sources.
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What does citric acid mean?
WordNet
Wiktionary 
- citric acid (Noun)
A colourless crystalline compound, 2-hydroxy-1,2,3-propanetricarboxylic acid, C6H8O7, found in citrous fruit; it is used as a food additive and in the manufacture of citrates.
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citric acid
A weak organic triprotic acid. It is a natural preservative and is also used to add an acidic, or sour, taste to foods and soft drinks.
Wikipedia 
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Citric acid is a weak organic acid. It can be found in citrus fruits. It acts like a preservative. It is also used to add a sour (acidic) taste to foods and soft drinks.
Carl Wilhelm Scheele was the first who could extract citric acid from lemons, in 1782. The substance was probably known to alchemists, perhaps with a different name. The Arabian alchemist Geber is said to have discovered citric acid in the 9th century.
