V2EX illuminant

Illuminant

释义 Definition

Illuminant(名词)照明体 / 标准光源;在色彩科学与摄影、印刷等领域,指具有规定光谱功率分布的光源(常用于颜色测量与校准,如 CIE D65Illuminant A)。日常语境里也可泛指“发光物/光源”,但更常见于技术语境。

发音 Pronunciation

/lumnnt/

例句 Examples

The lab used D65 as the standard illuminant.
实验室使用 D65 作为标准照明体(标准光源)。

Because the perceived color changes with the illuminant, designers test materials under multiple lighting conditions.
由于在不同照明体下颜色观感会变化,设计师会在多种光照条件下测试材料。

词源 Etymology

来自拉丁语 illuminare(“照亮”),由 in-(“使…”)+ lumen(“光”)构成;后经法语/中古英语演变形成。-ant** 常表示“执行某动作的事物/主体”,因此 illuminant 可理解为“起照亮作用的东西(光源)”。

相关词 Related Words

文学与典籍 Literary Works

  • Color Science: Concepts and Methods, Quantitative Data and Formulae(Wyszecki & Stiles)
  • Digital Color Management: Encoding Solutions(Giorgianni & Madden)
  • Principles of Color Technology(Billmeyer & Saltzman)
  • CIE 国际照明委员会标准文件(如关于 CIE Standard Illuminants 的相关出版物与技术报告)
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