| 释义 |
witts, n. pl. Mining.|wɪts|
Also whits.
[Short for tinwitts: see tin n. 5.]
Tin ore after the first dressing: see quot. 1853.
1853Ure Dict. Arts (ed. 4) II. 858 Tin witts... The clean ‘witts’ contain native oxide of tin; black tin or resin tin, and wolfram with iron and arsenical pyrites, generally containing some copper. 1855[Leifchild] Cornwall 208 This mixture of metallic matter, named Witts. |