a. Chem. [ad. F. sylvique (a. 1836), f. L. sylva, silva a wood: see -IC 1 b.] Sylvic acid: a colorless crystalline substance, isomeric with pinic acid, and, like it, forming a constituent of colophony or turpentine-resin.
1836. Brande, Chem. (ed. 4). 978. Silvic Acid … is insoluble in water, fusible at about 212°, soluble in alcohol and ether, and in sulphuric acid.
1838. T. Thomson, Chem. Org. Bodies, 506. That portion of the resin which remains undissolved when the turpentine freed from its oil is digested in cold alcohol of 0·867, has been called silvic acid by Unverdorben, and resin beta by Berzelius.
1844. Fownes, Chem., 500. Pure sylvic acid crystallizes in small, colourless, rhombic prisms.
