ˌground ˈglass BrE AmE noun [uncountable]
1 . glass that has been made into a powder
2 . glass that has been rubbed on its surface so that you cannot see through it, but light passes through it – used for example on a camera
ˌground ˈglass BrE AmE noun [uncountable]
1 . glass that has been made into a powder
2 . glass that has been rubbed on its surface so that you cannot see through it, but light passes through it – used for example on a camera
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012