Definition of Cobalt
Co´balt
Pronunciation:
kō´bǒlt; 277, 74
n.
1.
(Chem.)
A
tough
,
lustrous
,
reddish
white
metal
of
the
iron
group
,
not
easily
fusible
,
and
somewhat
magnetic
.
Atomic
weight
59
.
1
.
Symbol
Co
.
2.
A
commercial
name
of
a
crude
arsenic
used
as
fly
poison
.
Cobalt bloom
Same
as
Erythrite
.
Cobalt blue
a
dark
blue
pigment
consisting
of
some
salt
of
cobalt
,
as
the
phosphate
,
ignited
with
alumina
; -
called
also
cobalt ultramarine
,
and
Thenard's blue
.
Cobalt crust
earthy
arseniate
of
cobalt
.
Cobalt glance
(Min.)
See
Cobaltite
.
Cobalt green
a
pigment
consisting
essentially
of
the
oxides
of
cobalt
and
zinc
; -
called
also
Rinman's green
.
Cobalt yellow
(Chem.)
a
yellow
crystalline
powder
,
regarded
as
a
double
nitrite
of
cobalt
and
potassium
.
Related Words
atomic
number
27
,
Co
,
cobalt
60
,
cobaltite
,
metal
,
metallic
element
,
smaltite
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cobalt ultramarine
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Cobaltiferous
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