glass

¹glass

noun, often attributive \ˈglas, ˈgläs\

Definition of GLASS

1

: any of various amorphous materials formed from a melt by cooling to rigidity without crystallization: as a : a usually transparent or translucent material consisting typically of a mixture of silicates b : a material (as obsidian) produced by fast cooling of magma

2

a : something made of glass: as (1) : tumbler; also : glassware (2) : mirror (3) : barometer (4) : hourglass (5) : backboard 1 b (1) : an optical instrument or device that has one or more lenses and is designed to aid in the viewing of objects not readily seen (2) : field glasses, binoculars —usually used in plural c plural : a device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place —called also eyeglasses, spectacles

3

: the quantity held by a glass container

4

: fiberglass

— glass·ful \ˈglas-ˌfu̇l\ noun

— glass·less \-ləs\ adjective

Examples of GLASS

1. The waiter filled our glasses with water.
2. She drank two glasses of water.
3. She was wearing dark glasses with thick black frames.

Origin of GLASS

Middle English glas, from Old English glæs; akin to Old English geolu yellow — more at yellow

First Known Use: before 12th century

Related to GLASS

Synonyms: eyeglasses, specs, spectacles

Related Words: bifocals, half-glasses, trifocals; lorgnette, monocle, pince-nez; sunglasses; goggles; contact lens

see all synonyms and antonyms

[+]more[-]hide

Rhymes with GLASS

ass, bass, brass, class, crass, frass, gas, grass, lass, mass, pass, sass, strass, tasse, vas, wrasse