glass

/glɑ:s/

Definition

Noun:
- A hard, brittle, transparent solid material: "glass" is a substance, typically made by melting sand with other materials, that is used for windows, containers, and many other objects.
- A drinking container: "glass" refers to a container, usually made of this transparent material, used for drinking liquids.
- The contents of such a container: "glass" can also mean the amount of liquid a glass container holds.
- A mirror: "glass" is an old-fashioned or formal term for a mirror.
- Glasses (plural noun): A pair of lenses set in a frame, worn in front of the eyes to correct vision or protect them.
Verb:
- To fit or cover with glass: To install glass into a structure, like a window or door frame.
- To become glassy: To take on a smooth, shiny, or lifeless appearance, often used for eyes.
- To enclose with glass: To surround or cover something with glass panels.

Usage Examples

Noun:
- The window is made of safety glass. (The transparent material in the window is a safety type.)
- She poured water into a glass. (She used a drinking container made of glass.)
- He drank a glass of milk. (He consumed the amount of milk that fills one drinking container.)
- She looked at her reflection in the glass. (She looked at herself in the mirror.)
- He needs glasses to read. (He requires corrective lenses to see text clearly.)
Verb:
- They will glass the new greenhouse next week. (They will install the glass panels in the greenhouse structure.)
- Her eyes began to glass over from boredom. (Her eyes started to look shiny and unfocused.)
- The porch was glassed in to create a sunroom. (The porch was enclosed by adding glass walls.)

Advanced Usage

"People who live in glass houses shouldn't throw stones": A proverb meaning you should not criticize others for faults you yourself possess.
- He criticized her messy desk, forgetting his own was worse—people in glass houses...
"Under glass": Protected or displayed inside a glass case or cover.
- The rare manuscript was kept under glass in the museum.
"The glass is half-full/half-empty": A phrase describing an optimistic ("half-full") or pessimistic ("half-empty") perspective.
- She sees the glass as half-full, always hopeful about the future.

Variants and Related Words

Glassy (adjective): Having a smooth, shiny appearance like glass.
- The lake was calm and glassy in the morning light.
Glassware (noun): Articles made of glass, especially drinking glasses and tableware.
- The cabinet displays her fine glassware.
Looking glass (noun, old-fashioned): A mirror.
- Alice stepped through the looking glass.

Synonyms

Related Phrasal Verbs

Glass over: To become covered with a glassy layer or to take on a dull, lifeless look.
- The pond will glass over with ice in winter.
- His expression glassed over when the topic changed.

Related Idioms

To have a glass jaw: To be vulnerable to criticism or, in boxing, to be easily knocked out.
- The politician has a glass jaw; he can't handle any tough questions.
To see the world through rose-colored glasses: To see things in an unrealistically positive or optimistic way.
- He's not naive; he just chooses to see the world through rose-colored glasses.

Noun

glassware collectively
- She collected old glass
a mirror; usually a ladies' dressing mirror
an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
a small refracting telescope
the quantity a glass will hold
a container for holding liquids while drinking
a brittle transparent solid with irregular atomic structure

Verb

become glassy or take on a glass-like appearance
- Her eyes glaze over when she is bored
put in a glass container
enclose with glass
- glass in a porch
scan (game in the forest) with binoculars
furnish with glass
- glass the windows

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