Webster's Revised Unabridged Dictionary · 1913

Citric

Citric , adjective

[Compare French citrique. See Citron.]

(Chemistry) Of, pertaining to, or derived from, the citron or lemon; as, citric acid.
Collocations (1)
Citric acid (Chemistry) , an organic acid, C3H4OH.(CO2H)3, extracted from lemons, currants, gooseberries, etc., as a white crystalline substance, having a pleasant sour taste.