荧光

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Character Breakdown

Understanding 荧光 (yíngguāng)

荧光 refers to fluorescence or the light emitted by certain substances when they absorb light or other electromagnetic radiation. It is commonly seen in fluorescent lamps (荧光), minerals, and biological markers.

Usage in Daily Life

荧光 is a very common term, referring to fluorescent lamps used for lighting. When talking about glowing or shining effects, 荧光 describes a soft, often greenish or bluish light.

Scientific and Technical Context

In scientific contexts, 荧光 is used to describe fluorescence phenomena, such as minerals glowing under UV light or fluorescent dyes used in biology to mark cells.

Common Collocations

  • 荧光: fluorescent lamp, everyday lighting
  • 荧光标记: fluorescent marker, used in biology and chemistry
  • 发出荧光: to emit fluorescence, describing glowing substances

Tips

荧光 specifically refers to fluorescence, which is different from general light () or glow (光辉). It often implies a light emission caused by excitation, not just any light source. Avoid confusing 荧光 with (flash) or 光辉 (radiance).

Example Sentences

The fluorescent light provides soft illumination at night.

This mineral emits fluorescence under ultraviolet light.

Scientists use fluorescent markers to observe the internal structure of