English edit

Etymology edit

black +‎ band

Noun edit

blackband (plural blackbands)

  1. (mineralogy) An earthy carbonate of iron containing considerable carbonaceous matter, valuable as an iron ore.

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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 blackband”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)