† ˈnicol1 Obs. rare.
[var. of nickel; cf. the spelling kupfer-nicol in J. Hill Fossils (1748) 625, and copper-nicol (1728) s.v. copper n.1 12.]
Nickel-green, annabergite.
| 1753 Chambers Cycl. Supp., Nicol,..a word used by the miners in Germany to express a greenish crust, covering several of the species of marcasites and cobalt. |