Definition

1. Adjective (Physics, Engineering):
   • Incandescent: Emitting visible light as a result of being heated to a high temperature. This describes the state of a material, typically a filament, glowing white-hot due to thermal radiation.

Usage Examples

• Adjective:
  • Bóng đèn nóng sáng tiêu thụ nhiều điện năng. (Incandescent light bulbs consume a lot of electrical energy.)
  • Dây tóc vonfram trong bóng đèn trở nên nóng sáng khi có dòng điện chạy qua. (The tungsten filament in the light bulb becomes incandescent when an electric current passes through it.)

Advanced Usage

• The term is primarily technical and is most commonly used in the compound noun "đèn nóng sáng" (incandescent lamp/light bulb).
  • Đèn nóng sáng đang dần được thay thế bằng đèn LED. (Incandescent lamps are gradually being replaced by LED lights.)

Variants and Related Words

• Đèn nóng sáng (n): Incandescent lamp, incandescent light bulb.
  • Bà tôi vẫn thích dùng đèn nóng sáng. (My grandmother still prefers to use incandescent bulbs.)

Synonyms

• Incandescent: Glowing, white-hot from heat.
• Glowing: Emitting light, especially due to heat.

Notes

• "Nóng sáng" is a compound adjective formed from "nóng" (hot) and "sáng" (bright/light), literally meaning "hot-bright," which accurately describes the process of incandescence.
• It is almost exclusively used in scientific and technical contexts related to lighting and thermal radiation.

1. (lý, kỹ thuật) Incandescent