An example of glass used as an adjective is in the phrase "glass window," which means a window made from this substance.
An example of glass is to put tomatoes in canning jars.
An example of a glass is a container used for drinking wine.
- A drinking vessel.
- A mirror.
- A barometer.
- A window or windowpane.
- The series of transparent plastic sheets that are secured vertically above the boards in many ice rinks.
The tabletop is made of glass.
- to enclose with glass panes
Idioms and Phrasal Verbs
Origin of glass
- Middle English glas from Old English glæs ghel-2 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle English glas, from Old English glæs, from Proto-Germanic *glasą, possibly related root *glōaną (“to shine”) (compare glow), and ultimately from the Proto-Indo-European root *ǵʰel- (“to shine, shimmer, glow”); cognate with West Frisian glês, Low German Glas, Dutch glas, German Glas, Icelandic gler.