scotograph

名词 n.
中文释义

英文释义

名词 n.
  1. An instrument for writing in the dark, or by the blind. obsolete,rare
    — Scotograph or writing-machine for use of the blind
  2. An impression made on a photographic plate by a radioactive substance without the intervention of any opaque object other than the screen of the plate. obsolete,rare
    — "Scotograph" is likely to stick as the popular term for portraits taken by the Röntgen process. It means "shade picture," and its analogy with photograph, which is a "light picture," is sufficiently manifest to help on its vogue.
  3. An image of a ghost or other apparition appearing on unexposed film.
    — The spirit-faces are sometimes obtained on ordinary paper without the aid of a camera and are called Scotographs.

词形变化

scotographs plural

词汇关系

相关词
scotophobia scotography

词源

From scoto- + -graph.
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