Definition of Columbic acid
(Chem.)
a
weak
acid
derived
from
columbic
or
niobic
oxide
,
Nb2O5
; -
called
also
niobic
acid
.
(Chem.)
an
organic
acid
extracted
from
the
columbo
root
as
a
bitter
,
yellow
,
amorphous
substance
.
See also:
Columbic
Columbic
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