slitmask
slitmask · slitmasks
A device that is attached to an optical device in order to remove all light except for…A device that is attached to an optical device in order to remove all light except for that from a particular direction.
Meaning
1 sensesA device that is attached to an optical device in order to remove all light except for that from a particular direction.
Origin
From slit + mask.From slit + mask.
Wiktionary, CC BY-SA 4.0 · source
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.