HOME
GMAT
GRE
SAT
TOEFL
Synonyms
Antonyms
Dictionary
|
Test Prep
niobite (n.)
a black mineral that is an ore of niobium and tantalum
[ Syn:
columbite
]
The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.
