| 释义 |
gum resin, gum-ˈresin
[f. gum n.2 + resin.]
A vegetable secretion consisting of resin mixed with gum or mucilage; e.g. ammoniac, euphorbium, gamboge, etc.
1712tr. Pomet's Hist. Drugs I. 64 It is a Gum-Rosin, said, by some, to come from the same Tree with the Chio Turpentine. 1800Henry Epit. Chem. (1808) 280 Gum-resins, along with resin, have an admixture of extractive matter. 1861Miss Pratt Flower Pl. V. 2 The gum resin, or Euphorbium of the chemist, is procured from three species of Spurge. 1884Bower & Scott De Bary's Phaner. 136 The term gum-resin is used to indicate..the mixture of watery and resinous secretions, which is milky when fresh.
Hence gum-ˈresinous a., of the nature of a gum resin.
1830Lindley Nat. Syst. Bot. 46 The species all abound in a viscid, yellow, acrid, and purgative gum-resinous juice resembling Gamboge. |