Bible Dictionaries
Prism Glass

Webster's Dictionary

Glass with one side smooth and the other side formed into sharp-edged ridges so as to reflect the light that passes through, used at windows to throw the light into the interior.

Bibliography Information
Webster, Noah. Entry for 'Prism Glass'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/prism-glass.html. 1828.