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51Թ
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niobous
adjective
(2)
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American
British
niobous
[ nahy-
oh
-b
uh
s ]
Phonetic (Standard)
IPA
adjective
Chemistry.
containing trivalent
niobium
, as niobous chloride, NbCl 3 .
of or relating to
niobium
.
niobous
/ Բɪˈəʊə /
adjective
of or containing niobium in the trivalent state Alsocolumbous
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51Թ History and Origins
Origin of
niobous
1
First recorded in 1860–65;
niob(ium)
+
-ous
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niobium
Niobrara
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