cobalt 音标拼音: [k'ob
, ɔlt]
n . 钴,钴类颜料,由钴制的深蓝色
钴,钴类颜料,由钴制的深蓝色
cobalt n 1 :
a hard ferromagnetic silver -
white bivalent or trivalent metallic element ;
a trace element in plant and animal nutrition [
synonym : {
cobalt }, {
Co }, {
atomic number 27 }]
Cobalt \
Co "
balt \ (
k [=
o ]"
b [
o ^]
lt ;
277 ,
74 ),
n . [
G .
kobalt ,
prob .
fr .
kobold ,
kobel ,
goblin ,
MHG .
kobolt ;
perh .
akin to G .
koben pigsty ,
hut ,
AS .
cofa room ,
cofgodas household gods ,
Icel .
kofi hut .
If so ,
the ending -
old stands for older -
walt , -
wald ,
being the same as -
ald in E .
herald and the word would mean ruler or governor in a house ,
house spirit ,
the metal being so called by miners ,
because it was poisonous and troublesome .
Cf . {
Kobold }, {
Cove }, {
Goblin }.]
1 . (
Chem .)
A tough ,
lustrous ,
reddish white metal of the iron group ,
not easily fusible ,
and somewhat magnetic .
Atomic weight 59 .
1 .
Symbol Co .
[
1913 Webster ]
Note :
It occurs in nature in combination with arsenic ,
sulphur ,
and oxygen ,
and is obtained from its ores ,
smaltite ,
cobaltite ,
asbolite ,
etc .
Its oxide colors glass or any flux ,
as borax ,
a fine blue ,
and is used in the manufacture of smalt .
It is frequently associated with nickel ,
and both are characteristic ingredients of meteoric iron .
[
1913 Webster ]
2 .
A commercial name of a crude arsenic used as fly poison .
[
1913 Webster ]
{
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 .
[
1913 Webster ]
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Cobalt - Wikipedia Cobalt | Uses, Properties, Facts | Britannica cobalt 钴（化学元素）_百度百科 Cobalt - Element information, properties and uses | Periodic Table Cobalt | Co | CID 104730 - PubChem 钴 - 维基百科，自由的百科全书 cobalt – 开源、无广告，在线视频下载工具，支持 B 站、小红书、Tiktok、VK、YouTube 等 20+ 在线视频网站 [Web] Cobalt Definition, Facts, Symbol, Discovery, Property, Uses cobalt. corning. com