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Webster 1913 Edition
Columbic
Co-lum′bic
,Adj.
[From
Columbium
.] (Chem.)
Pertaining to, or containing, columbium or niobium; niobic.
Columbic acid
(Chem.)
, a weak acid derived from columbic or niobic oxide,
Nb2O5
; – called also niobic acid
.Co-lum′bic
,Adj.
[From
Columbo
.] Pertaining to, or derived from, the columbo root.
Columbic acid
(Chem.)
, an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance.
Webster 1828 Edition
Columbic
COLUMBIC
,Adj.