Webster’s Revised Unabridged Dictionary · 1913
Sorbic
Sor′bic (sôr′bĭk), a. [Cf. F. sorbique. See Sorb.] (Chem.) Pertaining to, or obtained from, the rowan tree, or sorb; specifically, designating an acid, C₅H₇CO₂H, of the acetylene series, found in the unripe berries of this tree, and extracted as a white crystalline substance.