Engineering English
Diode
Electronics Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: A two-terminal semiconductor device that allows current to flow easily in one direction while blocking it in the opposite direction. It is fundamental to rectification and signal steering.
Example in context
“A diode placed across the relay coil protects the driver transistor from the voltage spike generated when the coil switches off.”
“Röle bobinine paralel bağlanan bir diyot, bobin kapandığında oluşan gerilim sıçramasından sürücü transistörü korur.”
Where engineers use it
Encountered in rectifiers, protection circuits, and signal routing; engineers rely on diodes to convert alternating current to direct current, clamp transients, and prevent reverse-polarity damage in power and control electronics.
Practice: can you use “Diode” at work?
A colleague reports that a device fails whenever the battery is inserted backwards. Propose how a diode could be added to protect the circuit and discuss the trade-offs of your placement.
Show a model answer
“The diode conducts only when it is forward biased.”
“Diode” in 21 languages
| English | Diode |
|---|---|
| Turkish | Diyot |
| French | Diode |
| German | Diode |
| Spanish | Diodo |
| Chinese | 二极管 |
| Arabic | صمام ثنائي |
| Portuguese | Diodo |
| Russian | Диод |
| Japanese | ダイオード |
| Italian | Diodo |
| Vietnamese | Điốt |
| Hindi | डायोड |
| Thai | ไดโอด |
| Indonesian | Dioda |
| Korean | 다이오드 |
| Bengali | ডায়োড |
| Dutch | Diode |
| Swedish | Diod |
| Finnish | Diodi |
| Ukrainian | Діод |
Frequently asked questions
What does Diode mean in engineering?
A two-terminal semiconductor device that allows current to flow easily in one direction while blocking it in the opposite direction. It is fundamental to rectification and signal steering. In Electronics Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Diode?
Diode is pronounced /ˈdaɪoʊd/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Diode used in a sentence?
Example from an engineering context: “A diode placed across the relay coil protects the driver transistor from the voltage spike generated when the coil switches off.”
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