từ điện
Definition
- Noun (obsolete/technical):
- Electromagnet: A core of magnetic material, typically iron, surrounded by a coil of wire that becomes temporarily magnetized when an electric current flows through the coil. This is the primary historical and technical meaning of "tự điện".
- Magneto-electric device: A device that generates electricity using magnetism or operates using electromagnetic principles, as reflected in the compound "máy từ điện" (magneto-electric machine).
Usage Examples
- Noun:
- Nhà khoa học sử dụng một từ điện mạnh trong thí nghiệm. (The scientist used a powerful electromagnet in the experiment.)
- Máy từ điện cung cấp năng lượng cho hệ thống cũ. (The magneto-electric machine powered the old system.)
Advanced Usage
- This term is largely archaic in modern Vietnamese. In contemporary technical contexts, the word "nam châm điện" is universally used for "electromagnet".
- might be encountered in historical texts, early technical manuals, or specific compound terms.
Variants and Related Words
- Nam châm điện (n): Electromagnet. The modern, standard term.
- Nam châm điện có thể tắt mở được. (An electromagnet can be turned on and off.)
- Máy từ điện (n): Magneto-electric machine or generator.
- Lực từ (n): Magnetic force.
- Điện từ trường (n): Electromagnetic field.
Synonyms
- Electromagnet: A device that becomes magnetic when electrified.
- Electromagnetic device: A apparatus operating on electromagnetic principles.
Notes on Usage
- Important: The word "từ điển" (dictionary) is a completely different and far more common word. Be careful not to confuse "từ điện" with "từ điển".
- The term "từ điện" is highly specialized and obsolete. For clear communication, always prefer the modern term "nam châm điện".
