prism glass
Glass with one smooth side and the other side formed into sharp-edged ridges so as to…Glass with one smooth side 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.
Meaning
1 senses(uncountable)Glass with one smooth side 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.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable