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1. | [ noun ] (physics,optics) a right-angled optical prism used to turn an inverted image upright | |
Related terms: | prism | |
Similar spelling: |
Erastianism |
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1. | [ noun ] (physics,optics) a right-angled optical prism used to turn an inverted image upright | |
Related terms: | prism | |
Similar spelling: |
Erastianism |