pinicacid

Chem.: C20H30O2. An acid isomeric with pimaric acid, extracted from colophony by cold alcohol of 70 per cent. It is an amorphous resin, insoluble in water, but soluble in alcohol, ether, and oils, melts when slightly heated, and decomposes at a higher temperature. pi-ni-cor-re-tin, s. [Pref. pin i-; Lat.cor( tex ); Eng. ret(ene), and suff. -in ( Chem.).] Chemistry: C24H3805(?). A dark-brown glutinous ma extracted from the bark of the Scotch-fir, Pinus sylvestris , by boiling with alcohol of 40 per cent. It is slightly soluble in ammonia. pi-ni-cor-tăn'-nic, a. [CORTEPINITANNIC.] pin'-ing, pr . par.ora . [PINE, v.] *pining-stool, s. The cucking-stool.