- (mining, dated) A variety of ore that tends to vitrify like the glaze on pottery.
- (Can we find and add a quotation of Boyle to this entry?)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for pottern ore in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)