halometer

名词 n.
中文释义

英文释义

名词 n.
  1. An instrument for measuring the forms and angles of salts and crystals.
  2. An instrument for determining the size of blood cells by measuring the angular diameter of diffraction of light passing through the blood.
    — When a small source of light is viewed through a thin blood film on a glass slide, a circular coloured pattern, or halo, is seen. The angular diameter of this halo is inversely proportional to the diameter of the blood cell and it is this which the halometer measures.

词形变化

halometers plural

词汇关系

近义词
goniometer

词源

From halo- + -meter.
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