Dansk ordbog
Rejseparlør
Rimordbog
Krydsogtværsordbog
English Dictionary
Sprogforum
English
Dansk (Danish)
Norsk (Norwegian)
Recent queries
Chalybeate
Improbable
Labelled
Papua
Scorpionweed
Gopher snake
Grade separation
River Cocytus
Genus Chrysolophus
Mortal
English dictionary
Hint: With the Firefox addon you can search this dictionary from the browsers search field.
English
noun
:
niobite
1.
niobite
(substance)
a black mineral that is an ore of niobium and tantalum
Synonyms
columbite
Broader (hypernym)
mineral
Substance holonym
atomic number 41
,
atomic number 73
,
Nb
,
niobium
,
Ta
,
tantalum
Based on WordNet 3.0 copyright © Princeton University.
Web design:
Orcapia v/Per Bang
. English edition:
Peter Jensen
.
2026
onlineordbog.dk