erecting prism

1. 1.

   a right-angled optical prism used to turn an inverted image upright

   Broaderprism

Questions about erecting prism

What does erecting prism mean?

erecting prism means "a right-angled optical prism used to turn an inverted image upright".

Is erecting prism a common word?

erecting prism is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.