Definify.com
Webster 1913 Edition
Blackband
Black′bandˊ
,Noun.
(Min.)
An earthy carbonate of iron containing considerable carbonaceous matter; – valuable as an iron ore.
Definition 2024
blackband
blackband
English
Noun
blackband (plural blackbands)
- (mineralogy) An earthy carbonate of iron containing considerable carbonaceous matter, valuable as an iron ore.