eyeglass

noun

eye·​glass ˈī-ˌglas 

1

a

: eyepiece

b

: a lens worn to aid vision

specifically : monocle

c

eyeglasses 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 : glasses

2

: eyecup sense 1

Synonyms of eyeglass

• sunglasses
• glass
• spectacles

Examples of eyeglass in a Sentence

She left her eyeglasses at work.

Recent Examples on the Web

Outside Schiaparelli, the actor’s black leather overcoat is having a bit of a fashion tussle with the green-y lenses of his eyeglasses, but Cassel is a tough dude who can carry that. —Guy Martin, Forbes.com, 28 Jan. 2026

Briceno was wearing a gray sweater, jeans, black Sketchers gym shoes and eyeglasses, Twaddle said. —Caroline Zimmerman, Kansas City Star, 27 Jan. 2026

The plastic in eyeglasses, including sunglasses, can become brittle and more susceptible to breaking when exposed to cold temperatures. —Alexis Simmerman, Austin American Statesman, 26 Jan. 2026

Leaving eyeglasses in a cold car can cause the lenses to crack or become brittle, according to Web Eye Care. —Elissa Robinson, Detroit Free Press, 23 Jan. 2026

Word History

First Known Use

1593, in the meaning defined at sense 1c

Rhymes for eyeglass

• candlemas
• fiberglass
• fibreglass
• hourglass
• isinglass
• lemongrass
• martinmas
• orchardgrass
• overpass
• plexiglas
• plexiglass
• sassafras

Kids Definition

eyeglass

noun

eye·​glass -ˌglas 

1

: a glass lens used to help one see clearly

2

plural : glass entry 1 sense 2b

Medical Definition

eyeglass

noun

eye·​glass ˈī-ˌglas 

1

a

: eyepiece

b

: a lens worn to aid vision

specifically : monocle

c

eyeglasses plural : glasses, spectacles

2

: eyecup sense 1