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Definition of Fergusonite
1. Noun. A dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals.
Terms within: Atomic Number 68, Er, Erbium, Atomic Number 73, Ta, Tantalum, Atomic Number 39, Y, Yttrium
Generic synonyms: Mineral
Generic synonyms: Mineral
Definition of Fergusonite
1. n. A mineral of a brownish black color, essentially a tantalo- niobate of yttrium, erbium, and cerium; -- so called after Robert Ferguson.
Medical Definition of Fergusonite
1.