phản quang
Definition
Noun:
- Reflected light: Light that is thrown back or bounced off a surface, rather than being absorbed or passing through it. This is the core scientific and general meaning.
- Reflection: The phenomenon or process of light being reflected.
Adjective (Attributive):
- Reflective: Describing a surface or material that sends light back. Often used in compounds like "vải phản quang" (reflective fabric).
- Retroreflective: Specifically describing a surface that reflects light back toward its source, crucial for safety applications.
Usage Examples
Noun:
- Ánh phản quang từ mặt hồ rất chói. (The reflected light from the lake surface is very glaring.)
- Hiện tượng phản quang giúp chúng ta nhìn thấy các vật. (The phenomenon of reflection allows us to see objects.)
Adjective:
- Công nhân đường bộ mặc áo có dải phản quang. (Road workers wear jackets with reflective strips.)
- Biển báo giao thông này được làm bằng chất liệu phản quang. (This traffic sign is made of retroreflective material.)
Advanced Usage
- "sự phản quang": A more formal nominalization, emphasizing the state or process of reflection.
- Sự phản quang không hoàn toàn có thể gây chói. (Incomplete reflection can cause glare.)
Variants and Related Words
Phản xạ (v/n): To reflect / reflection. Often used more broadly for energy (light, sound, heat) and in scientific contexts.
- Gương phản xạ ánh sáng. (The mirror reflects light.)
Phản chiếu (v): To reflect, to mirror. Often used for images or figurative meanings.
- Mặt nước phản chiếu bóng cây. (The water reflects the image of the trees.)
Synonyms
- Reflected light: The returned light itself.
- Reflection: The general process or instance of light bouncing back.
- Retroreflection: The specific type of reflection back to the light source.
Related Idioms and Compounds
Áo phản quang: Reflective jacket/vest.
- Mọi người nên mặc áo phản quang khi đi xe đạp đêm. (People should wear reflective vests when cycling at night.)
Vật liệu phản quang: Reflective material.
- Vật liệu phản quang rất quan trọng cho an toàn giao thông. (Reflective material is very important for traffic safety.)