The phrase "opaque glass" is correct and usable in written English.
For example, you could use the phrase in a sentence like this: "She placed a vase covered with opaque glass on the windowsill for decoration."
Walls are lined with opaque glass panels.
Metal is malleable and opaque; glass is brittle and transparent.
An opaque glass wall hides the sleek bathroom with its rainforest shower and chunky pewter fittings.
CONS: Because the large windows are glass block or opaque glass, there are no views.
An opaque glass structure by Yoshio Taniguchi resembled a floating box.
Foam glass, lightweight, opaque glass material having a closed-cell structure.
Lamp with nickel-coated body and a disk of opaque glass as lampshade: Bauhaus style.
THE BATHROOM Really, three compartments: The toilet is in a booth of opaque glass.
The interiors include sliding room dividers, closets made of semi-opaque glass and staircases cantilevered out of walls to appear as if they are floating.
Combined with a temporary semi-opaque glass ceiling above, they succeeded in creating the impression of an indoor space, and negated the whole point of being up on the roof.
One method includes putting individual issues under ultraviolet-opaque glass in archival frames.
