V2EX luminescence

Luminescence

定义 Definition

luminescence 是一个名词,指发光现象,即物质在不因高温加热的情况下发出的光,包括荧光、磷光、生物发光等。与白炽灯(因高温发光)不同,luminescence 是一种"冷光"。

发音 Pronunciation

/lu.mns.ns/

例句 Examples

The luminescence of the jellyfish lit up the dark ocean water.
水母的荧光照亮了漆黑的海水。

Scientists have been studying the luminescence produced by certain deep-sea organisms, hoping to apply similar mechanisms in medical imaging technology.
科学家一直在研究某些深海生物产生的发光现象,希望将类似机制应用于医学成像技术中。

词源 Etymology

该词源自拉丁语 lumen,意为"光",加上后缀 -escence,表示"逐渐进入某种状态"。这个词在19世纪由德国物理学家艾尔哈特维德曼(Eilhardt Wiedemann)于1888年首次正式使用,用以区分因加热而发光(incandescence)和非热源发光的现象。

相关词汇 Related Words

文学作品引用 Literary References

  • 在雷布拉德伯里(Ray Bradbury)的科幻作品中,luminescence 常被用来描绘奇异而梦幻的光景,营造超现实的氛围。
  • 在瑞秋卡森(Rachel Carson)的《我们周围的海洋》(The Sea Around Us)中,她用 luminescence 描写海洋生物发光的壮丽景象,展现了大自然的神秘之美。
  • 科马克麦卡锡(Cormac McCarthy)在《血色子午线》(Blood Meridian)中使用该词描绘荒野中幽冷、超自然的光芒。
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