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

Other inmates alleged that they were not given access to things as basic as prescription eyeglasses or contact lenses, the report said. —Justin Muszynski, Hartford Courant, 20 Jan. 2026

There's also a special pair of eyeglasses with lenses that are coated with see-through sensors called substrate electrodes (made of a material called ITO). —Abhimanyu Ghoshal, New Atlas, 12 Jan. 2026

And these specs, which will no doubt be more expensive than ordinary lo-fi eyeglasses, will be harder to fix or replace — a major negative for people who don’t want another gadget to maintain. —Sharon Adarlo, Futurism, 8 Jan. 2026

Chinese companies are also moving quickly to capitalize on the country’s vast manufacturing capacity by deploying AI in everyday objects, such as cars, eyeglasses, toys, and transcription devices. —Michael Schuman, The Atlantic, 3 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