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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

Word Origin & Etymology

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

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Eyeglass. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/eyeglass
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