▪ I. cal
(kæl)
Also callen, kal, (?) gal.
The name given by Cornish miners to the native tungstate of iron and manganese.
| 1875 Ure Dict. Arts III. 1039 The most common ore of this metal [Tungsten] is wolfram, known also to the Cornish miner as ‘cal’ or ‘callen’. Ibid. There remains a quantity of this mineral substance (gal). 1880 M. A. Courtney W. Cornwall Gloss., Cal. |
▪ II. cal
obs. form of call and caul.