Word · Frequency #28747
diode
半导体二极管
核心释义
A semiconductor component formed by a p-n junction, which conducts electric current in one direction only.
- 1.
An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.
- 2.
具有两个电极的热离子管；用作整流器
a thermionic tube having two electrodes; used as a rectifier
- 3.
由PN结构成的半导体
a semiconductor that consists of a p-n junction
二极管；真空二极管；具有两个电极的热离子管；用作整流器；由PN结构成的半导体；二极管；[化] 二极管
用法In use
The technician replaced the blown diode in the power supply.
用法提示：二极管作为名词，指电子元件
A diode allows current to flow in only one direction.
用法提示：二极管作为名词，描述其功能
The LED is a type of diode that emits light when current passes through it.
用法提示：二极管作为名词，指LED的类别
a/an + [adj] + diode
形容词修饰 diode 表示材料或类型。
a silicon diode
一个硅二极管
the diode + [verb]
用主动语态描述二极管的功能。
The diode rectifies alternating current.
相关词与表达Connections
搭配Collocations
- light-emitting diode (LED)
- 发光二极管
- The power light is a small light-emitting diode.电源指示灯是一个小型发光二极管。
- rectifier diode
- 整流二极管
- The circuit uses a rectifier diode to convert AC to DC.该电路使用整流二极管将交流电转换为直流电。
- diode laser
- 二极管激光器
- A diode laser is used in the barcode scanner.条码扫描器中使用的是二极管激光器。
- semiconductor diode
- 半导体二极管
- A semiconductor diode only conducts current in one direction.半导体二极管只允许电流单向导通。
- p-n junction diode
学习提示Learner notes
记忆技巧Memory Tip
di（两）+ode（电极），想象有两个电极，只让电流单向通行。
语境与语域Context & Register
语域：neutral 常见场景：electronics engineering、repair manuals、physics textbooks “diode”是技术术语，通常用于电子工程、物理教材、维修手册等书面或专业语境，属于中性语体；日常口语中不常用，无需刻意使用正式表达。
发音与拼写Pronunciation & Spelling
All six words rhyme with diode, sharing the final /oʊd/ sound. Beware spelling lookalikes like 'odd' and 'pod' (pronounced /ɑd/), which do not rhyme with diode.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.