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Definition of eyeglass

eyeglass

/ˈaɪˌɡlæs/
eye · glass
Plural:eyeglasses
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eyeglass Lexical Profile

eyeglass Game Scores & Validity

• noun

1

A single glass lens used to correct or assist defective eyesight, such as a monocle or one lens of a pair of spectacles.

Example

"The Victorian gentleman carefully adjusted his single eyeglass before examining the cryptic telegram."

2

The lens or combination of lenses at the viewing end of an optical instrument, such as a telescope or microscope.

Example

"She wiped the eyeglass of the microscope to ensure a completely unobstructed view of the cellular structure."

Synonyms
View all synonyms for eyeglass

Word Nuance & Usage

While the plural form 'eyeglasses' is the standard North American term for a pair of spectacles, the singular 'eyeglass' traditionally refers strictly to a single lens, such as a monocle or an optical eyepiece.

• Rhymes for eyeglass

• Nearby Words

exterminatrix
extinguisher
extispex
eyeglass
eyelash viper
eyelet
eyeliner

Word Origin & Etymology

Early 17th century; formed by compounding the words 'eye' and 'glass'.

Cite this Entry

Wordmom. (2026). Definition of Eyeglass. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/eyeglass
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