What does "grism" mean?

A combination of diffraction grating and prism used to obtain spectra from selected parts of an image.

What is a synonym for "grism"?

Common synonyms include: grating prism.

Grism

noun

noun ·Rare ·Advanced level

Definitions

Noun

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."

Synonyms

All synonyms

grating prism

Example

More examples

"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."

Etymology

Blend of grating + prism.

Related phrases

diffraction grating

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.