plural of glass frog

plural of heart of glass

A class of glass used to create optical lenses, such as that for spectacles or spyglasses

Made from plate glass

An optical filter glass that allows ultraviolet and infrared light to pass through while blocking most visible light.

A kind of colourful, elaborately made glass from Venice, Italy.

Synonym of Rupert's drop

plural of glass tear

(Scotland) A mirror.

(historical) Muscovite, especially as used to make windows.