cathode; negative electrode
Tone colorsmāmámǎmàma
Meanings
2 senses · 6 examplesnoun
negative electrode; cathode (in DC power sources)
technicalAlso called 负极 (fù jí). In electrochemical cells, reduction occurs at the cathode, where positive ions (cations) are attracted.
Diàn电
chí池
de的
yīn阴
jí极
huì会
xī吸
yǐn引
zhèng正
lí离
zǐ子
。
The cathode of the battery attracts positive ions.
Yīn阴
jí极
hé和
yáng阳
jí极
zhī之
jiān间
huì会
chǎn产
shēng生
diàn电
yā压
。
Voltage is generated between the cathode and the anode.
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Zài在
diàn电
jiě解
guò过
chéng程
zhōng中
，
yīn阴
jí极
fā发
shēng生
huán还
yuán原
fǎn反
yìng应
。
During electrolysis, reduction reactions occur at the cathode.
noun
cathode; electron-emitting electrode (in electronic devices)
technicalIn vacuum tubes, cathode ray tubes (CRTs), and electron guns, this electrode emits electrons via thermionic emission or field emission. It is often heated to facilitate electron release.
Yīn阴
jí极
shè射
xiàn线
guǎn管
shì是
jiù旧
shì式
diàn电
shì视
de的
hé核
xīn心
bù部
jiàn件
。
The cathode ray tube was the core component of old televisions.
Diàn电
zǐ子
cóng从
yīn阴
jí极
fā发
shè射
chū出
lái来
，
fēi飞
xiàng向
yáng阳
jí极
。
Electrons are emitted from the cathode and fly toward the anode.
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Yīn阴
jí极
xū需
yào要
jiā加
rè热
cái才
néng能
fā发
shè射
diàn电
zǐ子
。
The cathode needs to be heated in order to emit electrons.