V2EX pleochroism

Pleochroism

定义 Definition

(矿物学/光学)多色性:某些各向异性晶体在平面偏振光下,因吸收随振动方向不同而呈现出不同颜色或不同深浅的现象。

发音 Pronunciation

/plikrzm/

例句 Examples

Pleochroism helps identify minerals under a microscope.
多色性有助于在显微镜下鉴定矿物。

In thin section, the amphibole shows strong pleochroism, changing from green to brown as the stage is rotated.
在薄片中,这种角闪石表现出强烈的多色性,随着载物台旋转,颜色会在绿色与棕色之间变化。

词源 Etymology

来自希腊语词根:*pleo-*(更多、多个)+ chroos/chroma(颜色),并通过英语构词后形成 pleochroism,字面含义是“多种颜色(的现象)”。该词常用于描述晶体对不同方向的光具有不同吸收,从而呈现多种颜色的光学性质。

相关词 Related Words

文献与作品 Literary Works

  • Introduction to Optical Mineralogy(William D. Nesse)
  • Optical Crystallography(Ernest E. Wahlstrom)
  • Manual of Mineral Science(Cornelis Klein & Barbara Dutrow)
  • Dana’s Manual of Mineralogy(James D. Dana;后续修订版)
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