a hard, brittle substance, typically transparent or translucent, made by fusing sand with soda and lime and cooling rapidly. It is used to make windows, drinking containers, and other articles, a drinking container made of glass

people who live in glass houses shouldn't throw stones, have a glass jaw, put something in a glass case

raise a glass, through rose-colored glasses, looking glass

Formal and Informal Expressions of glass

In different contexts, you can replace 'glass' with suitable alternatives. In a more formal setting, 'drinking container, transparent material' is apt. In informal speech or writing, 'cup, jar' is a commonplace synonym.

glass: Explore its Definition & Usage

glass Definition

1a hard, brittle substance, typically transparent or translucent, made by fusing sand with soda and lime and cooling rapidly. It is used to make windows, drinking containers, and other articles
2a drinking container made of glass

Using glass: Examples

Take a moment to familiarize yourself with how "glass" can be used in various situations through the following examples!

Example
The window was shattered into a thousand pieces of glass.
Example
She poured herself a glass of water.
Example
The table was set with crystal glasses.
Example
He wore glasses to correct his vision.

glass Synonyms and Antonyms

Synonyms for glass

Antonyms for glass

Idioms Using glass

people who live in glass houses shouldn't throw stones
one should not criticize others for faults that they themselves have
Example
He criticized his colleague for being late, but people who live in glass houses shouldn't throw stones.
have a glass jaw
to be easily knocked out, either literally or figuratively
Example
He may be a good fighter, but he has a glass jaw and can't take a punch.
put something in a glass case
to preserve or protect something, often something valuable or rare
Example
The museum put the ancient artifact in a glass case to protect it from damage.

Phrases with glass

raise a glass
to propose a toast, usually with an alcoholic drink
Example
Let's raise a glass to the happy couple!
through rose-colored glasses
to see something in a positive light, often ignoring negative aspects
Example
She always sees the world through rose-colored glasses, even when things are tough.
looking glass
a mirror
Example
She stared at her reflection in the looking glass.

Origins of glass

from Old English 'glæs'

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Summary: glass in Brief

The term 'glass' [ɡlæs] refers to a hard, brittle, transparent or translucent substance made from sand, soda, and lime. It is used to make windows, drinking containers, and other articles. 'Glass' also refers to a drinking container made of glass. The phrase 'raise a glass' means to propose a toast, while 'people who live in glass houses shouldn't throw stones' cautions against criticizing others for faults one has oneself.