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

The same concern applies to optical surfaces, such as eyeglasses and camera lenses. — Kate Van Pelt, The Spruce, 15 July 2026

Wednesday, July 1 Health inspectors cited the Antelope Japanese restaurant after discovering that an employee didn’t wash their hands after handling/cleaning his eyeglasses before food prep. — Veronica Fernandez-Alvarado july 3, Sacbee.com, 3 July 2026

Visitors will see his Rough Riders uniform; the 1884 diary grieving his terrible loss; and the eyeglasses case, speech and shirt from the 1912 assassination attempt against him. — Jack Dura, Fortune, 2 July 2026

Visitors will see his Rough Riders uniform; the 1884 diary grieving his terrible loss; and the eyeglasses case, speech and shirt from the 1912 assassination attempt against him. — CBS News, 1 July 2026

Word History

First Known Use

1593, in the meaning defined at sense 1c

Rhymes for eyeglass

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

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