glass block
noun
a translucent, hollow or solid block of glass for glazing openings or constructing partitions, usually square on the face, with the outer surfaces treated in any of various ways.
Also called
glass brick.
Words nearby glass block
glashow,
glasnost,
glaspell,
glasphalt,
glass,
glass block,
glass can,
glass ceiling,
glass cliff,
glass curtain,
glass cutter