cathode是什麼意思 cathode的用法 cathode怎麼讀

cathode

英 ['kæθəʊd]美 ['kæθod]

n. 陰極

星級詞彙:★★

記憶方法

1. cat- "cata-, down" + hod- + -e.
2. => way down, a way down.
3. => So called from the path the electric current was supposed to take.

中文詞源

cathode 陰極

cata-, 向下。-hod, 走，路，詞源同accede, anode, method.

英語詞源

cathode

cathode: [19] The term cathode, meaning ‘negative electrode’, appears to have been introduced by the English philosopher William Whewell around 1834. It was based on Greek káthodos ‘way down’, a compound formed from katá- ‘down’ and hodós ‘way’ (also represented in exodus ‘way out’ and odometer ‘instrument for measuring distance travelled’, and possibly related to Latin cēdere, source of English cede and a host of derived words). It specifically contrasts with anode, which means literally ‘way up’.

=> exodus, odometer

cathode (n.)

1834, from Latinized form of Greek kathodos "a way down," from kata- "down" (see cata-) + hodos "way" (see cede). Proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English chemist and physicist Michael Faraday (1791-1867). So called from the path the electric current was supposed to take. Related: Cathodic; cathodal. Cathode ray first attested 1880, but the phenomenon known from 1859; cathode ray tube is from 1905.

權威例句

1. Cathode rays are attracted by a positive charge.

陰極射線被正電荷所吸引.

2. Cold cathode sensing tubes are more rugged than the glass, hot - filament tubes.

冷陰極傳感管比玻璃熱絲管堅實.

3. The so - called visual display unit is in fact a cathode ray tube.

所謂可見顯示裝置實際上是一個陰極射線管.

4. Three dispatchers were scanning cathode ray tube displays for information.

三名調度員正在研究陰極射線管所顯示的情報.

5. The amount of information that a cathode ray tube screen displays.

陰極射線管屏幕所顯示的信息總量.

[ cathode 造句 ]