Word Study
fergusonite
WORDNET DICTIONARY
Noun fergusonite has 1 sense
CIDE DICTIONARY
fergusonite, n.
A mineral of a brownish black color, essentially a tantalo-niobate of yttrium, erbium, and cerium; -- so called after Robert Ferguson. [1913 Webster]
For further exploring for "fergusonite" in Webster Dictionary Online
