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Minimalist Dictionary
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columbium
noun
A former name of niobium.
Word Frequency 1800~2019
Related words
Other words
occupier
striking
footless
tutor
unseeing
bloomers
scarf
handprint
basically
decree
kindly
stoning
snarl
cupbearer
cabana
electable
deletion
frolic
lyricist
sandpit
tantalum
unalloyed
93
niobium
columbite
aluminide
sulphuret
pentoxide
gadolinite
alloy
carbonitride
oxyde
hafnium
disilicide
cryolite