▪ 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.