释义 |
‖ plombgomme Min.|plɔ̃gɔm| [F., lit. gummy lead, f. plomb lead + gomme gum.] = plumbogummite.
1839Ure Dict. Arts 746 Plomb-gomme. This lead ore..is of a dirty brownish or orange-yellow. 1866Watts Dict. Chem. IV. 685 Plombgomme, syn. with Plumboresinite. 1868Dana Min. (ed. 5) 577 S. Tennant (who died in 1815) is said to have first analyzed plombgomme and made it a combination of oxyd of lead, alumina, and water. |