roof prism en · NOUN
Meanings
- A reflective optical prism containing a section where two faces meet at a 90° angle, resembling the roof of a building. Reflection from the two 90° faces returns an image that is flipped laterally across the axis where the faces meet.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| roof prisms | Number=Plur | lexicographic |