The phrase "glass bell" refers to an imaginary protective cover that shields something from being affected or influenced by the outside world. Full definition
For one, it must be housed inside three glass bell jars, in a climate - controlled room, under multiple locks and keys. (scientificamerican.com)
Designed in a satin nickel - finish, the Avalon Pendant Light from ELK Lighting is a ceiling fixture with beautifully detailed glass bell - shaped lampshades. (bedbathandbeyond.com)
Beach cottage powder room features shiplap clad walls lined with a leather captain's mirror illuminated by glass bell jar sconces over a satin nickel wall - mount faucet situated over a white vessel sink atop a black top vanity. (decorpad.com)