'Citric acid' definitions:
Definition of 'citric acid'
From: WordNet
noun
A weak water-soluble acid found in many fruits (especially citrus fruits); used as a flavoring agent
Definition of 'Citric acid'
From: GCIDE
- Citric \Cit"ric\, a. [Cf. F. citrique. See Citron.] (Chem.) Of, pertaining to, or derived from, the citron or lemon; as, citric acid. [1913 Webster]
- Citric acid (Chem.), an organic acid, C3H4OH.(CO2H)3, extracted from lemons, currants, gooseberries, etc., as a white crystalline substance, having a pleasant sour taste. [1913 Webster]