grism

名词 n.
中文释义

英文释义

名词 n.
  1. A combination of diffraction grating and prism used to obtain spectra from selected parts of an image.
    — The advantage of grisms is that the same camera can be used both for imaging (without the grism) and spectroscopy (with the grism) without having to be moved.

词形变化

grisms plural

词源

Blend of grating + prism.
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