đèn vô tuyến
Definition
- Noun:
- Radio tube / valve: An electronic component used in early radios and televisions to amplify signals or generate oscillations. It is a glass bulb containing electrodes in a near-vacuum.
- Radio set (archaic): In older, general usage, it can refer to the entire radio receiver itself.
Usage Examples
- Noun:
- Chiếc đài cổ này vẫn còn dùng đèn vô tuyến. (This old radio still uses vacuum tubes.)
- Ông tôi thường nghe tin tức trên chiếc đèn vô tuyến. (My grandfather often listened to the news on the radio set.)
Advanced Usage
- The term "đèn vô tuyến" is now considered largely historical or technical. In modern Vietnamese, "radio" or "máy thu thanh" is used for a radio set, and "bóng đèn điện tử" or "đèn điện tử chân không" is a more precise term for a vacuum tube.
Variants and Related Words
- Radio (n): The common modern term for a radio receiver.
- Tôi bật radio để nghe nhạc. (I turn on the radio to listen to music.)
- Bóng đèn điện tử (n): Vacuum tube, electron tube.
- Những bóng đèn điện tử này rất khó tìm thay thế. (These vacuum tubes are very hard to find replacements for.)
Synonyms
- Vacuum tube
- Radio valve
- (Archaic) Wireless set
Notes on Usage
- "Đèn vô tuyến" literally translates to "wireless lamp," reflecting its early technological origin as a device for receiving wireless signals. Its use today primarily appears in historical contexts or when specifically discussing the internal components of antique electronics.
