"Tempered glass" is a type of glass that has been specially treated to make it stronger and safer. It is harder to break and, if it does break, it shatters into small, rounded pieces instead of sharp, dangerous shards. Full definition
This is something that he will keep on his desk under six layers of tempered glass for the rest of his life. (diehardsport.com)
The stone structural arrangement is complemented by stainless steel drawers, a red and white striped skirt beneath the sink to soften the setting, and a showcase cabinet with tempered glass doors. (decoholic.org)
The aluminum frame, white tempered glass panel, and chrome fixtures all combine to create a really sleek look. (geekwrapped.com)