Dictionary.com
Thesaurus.com
Showing results for direct-vision prism. Search instead for directions prior.

direct-vision prism

American  
[dih-rekt-vizh-uhn, dahy-] / dɪˈrɛktˈvɪʒ ən, daɪ- /

noun

Optics.
  1. Amici prism.


Etymology

Origin of direct-vision prism

Probably earlier than 1960–65