grism

词形变化

grisms 复数 grisms

释义与例句

n.
  1. 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.

词源

Blend of grating + prism.

来源：wiktionary