darkenedglass
nounUK /ˈdɑːkənd ɡlɑːs/
US /ˈdɑːrkənd ɡlæs/
Glass that is made darker so less light can pass through it.
The car had darkened glass so people could not see inside.
OTHER MEANINGS
2. Glass that has become dark because of dirt or age.
The old bottle was made of darkened glass and looked almost black.
3. A screen or lens made darker to reduce glare.
He wore darkened glass over his eyes to block the bright sun.
4. Glass treated to keep light and heat out of a building.
The office windows use darkened glass to stay cool in summer.