glass

1 of 2

noun

ˈglas How to pronounce glass (audio)
ˈgläs
often attributive
1
: any of various amorphous materials formed from a melt by cooling to rigidity without crystallization: such as
a
: a usually transparent or translucent material consisting typically of a mixture of silicates
b
: a material (such as obsidian) produced by fast cooling of magma
2
a
: something made of glass: such as
(1)
: tumbler
also : glassware
(2)
: mirror
(3)
(4)
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
glasses 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
5
: crystal meth
specifically : a pure form of crystal meth
glassful noun
glassless adjective

glass

2 of 2

verb

glassed; glassing; glasses

transitive verb

1
a
: to provide with glass : glaze sense 1
b
: to enclose, case, or wall with glass
the sunroom was glassed in
2
: to make glassy
3
a
b
: to see mirrored
4
: to look at through an optical instrument (such as a pair of binoculars)

Examples of glass in a Sentence

Noun The waiter filled our glasses with water. She drank two glasses of water. She was wearing dark glasses with thick black frames.
Recent Examples on the Web
Noun
With that in mind, Shenouda volunteered to clean up glasses at the conference to gain free entry, and traveled over six hours from Cologne to Hamburg by train with a stack of résumés in hand. Orianna Rosa Royle, Fortune, 13 Apr. 2024 Milk = 0 grams natural sugar (1 cup) Milk naturally contains sugar from lactose, to the tune of 12 grams of sugar in a typical 8-ounce glass. Jessie Shafer, Better Homes & Gardens, 12 Apr. 2024 Yes, staring directly at the sun without glasses is dangerous, experts say NASA explained in an April 3 X post that the James Webb Space Telescope would not be capturing photos of the eclipse because of its sensitivity to light and heat. Hannah Hudnall, USA TODAY, 12 Apr. 2024 Their first date was on January 28, 1977, and right away, Rick knocked over a glass of water and bumped his head on a light trying to clean up the mess. Ashley Strickland, CNN, 12 Apr. 2024 The library advised people against using the eclipse glasses and apologized for the error. Passant Rabie / Gizmodo, Quartz, 12 Apr. 2024 Advertisement For some, those glasses will be bait enough, a MAGA hat to coastal bulls. Joshua Rothkopf, Los Angeles Times, 11 Apr. 2024 Our most refreshing summer drinks are perfect to make in batches and bring down to the beach (with plastic cups, not glass, and bring a trash bag) or stand as the signature cocktail at an outdoor summer party. Mary Shannon Wells, Southern Living, 11 Apr. 2024 The building that housed the Israeli commandos was also pocked by bullet holes and shattered glass. Lorenzo Tugnoli, Washington Post, 1 Apr. 2024
Verb
So take a day or two off from hunting, drive around, and glass these food sources to find out which ones the deer are really hammering. Scott Bestul, Field & Stream, 4 Jan. 2024 The Pirates prefer to glass the offensive glass and score off turnovers, similar to the Longhorns. Nick Moyle, San Antonio Express-News, 14 Mar. 2023 Kentuckians collect the Kentucky Derby glasses their mint juleps are served in at Churchill Downs and carry them home in stacks. Kirby Adams, The Courier-Journal, 24 Apr. 2023 The former traffic cop pushes her tortoiseshell glasses up her nose and surveys her class of property managers and landlords, who have so far failed to match her pep at 9 in the morning. Jack Ross, USA TODAY, 25 Feb. 2023 Our fingers take a little while to get used to glass. Nathaniel Scharping, Discover Magazine, 25 Sep. 2017 Climate activists in Austria on Tuesday attacked a famous painting by artist Gustav Klimt with a black, oily liquid and one then glued himself to glass protecting the painting’s frame. Kirsten Grieshaber, Fortune, 15 Nov. 2022 As businesses switch from plastic containers to glass to meet their sustainable packaging goals, competition for bottles is intensifying. Carol Ryan, WSJ, 23 Aug. 2022 In 1825, the Boston Sandwich Glass Company relocated to Cape Cod because the sand lends itself nicely to glass blowing. Lea Lane, Forbes, 6 July 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'glass.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

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

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1

Verb

14th century, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of glass was before the 12th century

Dictionary Entries Near glass

Cite this Entry

“Glass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glass. Accessed 16 Apr. 2024.

Kids Definition

glass

1 of 2 noun
1
: a hard brittle usually transparent substance commonly formed by melting a mixture of sand and chemicals and cooling to hardness
2
a
: something (as a water tumbler, lens, mirror, barometer, or telescope) that is made of glass or has a glass lens
b
plural : a pair of glass or plastic lenses held in a frame and used to help one see clearly or to protect the eyes
3
: the quantity held by a glass
glassful noun

glass

2 of 2 verb
: to fit or protect with glass

Medical Definition

glass

noun
often attributive
1
a
: an amorphous inorganic usually transparent or translucent substance consisting of a mixture of silicates or sometimes borates or phosphates formed by fusion of silica or of oxides of boron or phosphorus with a flux and a stabilizer into a mass that cools to a rigid condition without crystallization
b
: a substance resembling glass especially in hardness and transparency
organic glasses made from plastics
2
a
: an optical instrument or device that has one or more lenses and is designed to aid in the viewing of objects not readily seen
b
glasses 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

Biographical Definition

Glass 1 of 2

biographical name (1)

Carter 1858–1946 American statesman

Glass

2 of 2

biographical name (2)

Philip 1937–     American composer

More from Merriam-Webster on glass

Last Updated: - Updated example sentences
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