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Definition of glass

glass

/ɡlæs/
glass

Plural:glasses
•
Adjective:glassy
•
Past Simple:glassed
•
Past Participle:glassed
•
Present Participle:glassing
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glass Lexical Profile

glass Game Scores & Validity

• noun

1

A hard, brittle substance, typically transparent or translucent, made by fusing sand with soda, lime, and sometimes other ingredients and cooling rapidly.

Example

"The architect designed a modern skyscraper with an exterior made entirely of glass and steel."


2

A drinking vessel typically made of glass.

Example

"She poured him a tall glass of iced tea to help him cool down."


3

A mirror, looking-glass, or lens-based optical instrument.

Example

"He adjusted his tie while looking into the glass before leaving for the interview."

Synonyms
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• verb

1

To equip, enclose, or cover with glass.

Example

"The contractors glassed the patio to create a warm sunroom for the winter."


2

To scan a landscape using binoculars or a telescope (especially in hunting or birdwatching).

Example

"The guide glassed the distant ridge in search of movement before we continued our hike."

Synonyms
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Word Nuance & Usage

As a noun, 'glass' is uncountable when referring to the material, but countable when referring to a drinking vessel; the plural form 'glasses' frequently refers to spectacles.

• Rhymes for glass

Word Origin & Etymology

From Old English 'glæs', of Germanic origin; related to Dutch 'glas' and German 'Glas', ultimately from a Proto-Indo-European root meaning 'to shine' or 'to glare'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


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