Dansk ordbog
Rejseparlør
Rimordbog
Krydsogtværsordbog
English Dictionary
Sprogforum
English
Dansk (Danish)
Norsk (Norwegian)
Recent queries
Piranga
Ravisher
Imbed
Conscientiously
Treble
Imaginary
Ragweed
Dasypodidae
Quest
English dictionary
Hint: In most browsers you can lookup any word by double click it.
English
noun
:
columbite
1.
columbite
(substance)
a black mineral that is an ore of niobium and tantalum
Synonyms
niobite
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
.
2025
onlineordbog.dk