| 释义 |
pinic, a. Chem.|ˈpaɪnɪk|
[ad. F. pinique, f. L. pīnus pine n.2: see -ic.]
Of, pertaining to, or derived from the pine-tree; spec. in pinic acid, an acid (C9H14O4) obtained from pine resin.
1831T. Thomson Chem. Inorg. Bodies II. 145 In the year 1826 M. Baup inserted a notice in a periodical work that he had discovered pinic acid in the resin called colophon. 1840Penny Cycl. XVIII. 166/1 When pinic acid is washed and boiled in water, it forms on cooling a hard brittle substance, which becomes brown by fusing. 1866Watts Dict. Chem. IV. 650 Pinic acid is an amorphous resin, exactly like colophony. |