D defs.my
Entry 1 sense Webster, 1913

Citric

/sĭt'-rĭk/ · Cit·ric · IPA /ˈsɪtɹɪk/
01 a. Of, pertaining to, or derived from, the citron or lemon; as, citric acid.
  1. 1.
    Of, pertaining to, or derived from, the citron or lemon; as, citric acid.(Chem.)
Phrases & compounds
Citric acid — an organic acid, C3H4OH.(CO2H)3, extracted from lemons, currants, gooseberries, etc., as a white crystalline substance, having a pleasant sour taste.