Pentaprism
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A five-sided prism used in the viewfinder of most single-lens reflex cameras
Etymology
From penta- + prism.
Related phrases
More for "pentaprism"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.