cathode是什么意思

短语搭配

(1)cathode ray阴极射线

(2)cold cathode冷阴极

(3)cathode ray tube阴极射线管

(4)hot cathode热阴极

(5)copper cathode电解铜；铜阴极；阴极铜

双语例句

(1)In an electrolytic cell, a relatively active metal is used as the cathode.

在电解池中，相对活泼的金属作负极。

(2)The cathode of this battery is out of order.

这块电池的正极出了故障。

(3)The electrons in the cell flow from the cathode of the power supply.

电解池中电子方向是从电源负极流出。

(4)A cathode is the negative electrode in a cell such as a battery.

负极是电池等电解电池中的阴极

(5)XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities.

XRD 图谱表明，阴极材料结晶完整，为均一橄榄石型结构，仅含少量三价铁杂质。

(6)Absorbed by the cathode.

被负极吸收的。

(7)And if I evacuate it, I have a cathode ray tube.

如果我对其抽真空，我会得到一根阴极射线管。

(8)Some of the properties of cathode rays listed below.

现将阴极射线的一些特性开列如下。

(9)Check whether the cathode poor contact, timely adjust.

检查阴极是否接触不良，适时调整。

同义词

n. 阴极

反义词

词根词缀

同前缀词 cat- 离开

-hode 电极

同根词

词根 cathode

(1)cathodic adj. 阴极的；负极的

释义

n.

the negatively charged electrode by which electrons enter an electrical device

负极，阴极。ANODE的反义词。

the positively charged electrode of an electrical device, such as a primary cell, that supplies current

（原电池等的）阳极

词源

"mid 19th cent.: from Greek kathodos ‘way down'， from kata- ‘down'＋ hodos ‘way’."

考纲分布

近12年出现1次

重要程度: 3星

100%; n 阴极; (电解池的)负极; (原电池的)正极

考纲释义

( 1)n. 阴极; (电解池的)负极; (原电池的)正极

英文释义：the electrode in an electrical device where reduction occurs; the negative electrode in an electrolytic cell and the positive electrode in a battery

真题例句：

According to the analysis of Babbitt's team, old desktop monitors and box TVs with cathode ray tubes are the worst devices.

根据巴比特团队的分析，旧桌面显示器和带阴极射线管的盒式电视机是能源消耗最严重的设备。[2018年 全国卷1 阅读理解]

考纲分布

近9年出现0次

重要程度: 2星

0%; n 阴极; (电解池的)负极; (原电池的)正极

考纲释义

( 1)n. 阴极; (电解池的)负极; (原电池的)正极

英文释义：the electrode in an electrical device where reduction occurs; the negative electrode in an electrolytic cell and the positive electrode in a battery