: a transparent acrylic plastic often used in place of glass

Examples of plexiglass in a Sentence

Recent Examples on the Web
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The report estimates about $100 in damage for the plexiglass. Laura Horne, Charlotte Observer, 14 July 2026 The drummer is encased in a prism of metal and plexiglass that moves throughout the concert, and Brooks will often perform from - or jump off - the structure. Heather Bushman, Oklahoman, 7 July 2026 Innocence guaranteed by plexiglass in the Kansas sunshine, Africa far away. Padgett Powell, Harpers Magazine, 30 June 2026 In May, at the manufacturing facility, which stores thousands of gallons of toxic chemicals in pressurized tanks used to produce materials such as plexiglass for fighter jet and commercial aircraft windows, one tank threatened to leak or explode. Nilesh Christopher, Los Angeles Times, 10 June 2026 See All Example Sentences for plexiglass

Word History

Etymology

alteration of Plexiglas

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of plexiglass was in 1935

Browse Nearby Words

Cite this Entry

“Plexiglass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plexiglass. Accessed 30 Jul. 2026.

Kids Definition

plexiglass

noun
: a transparent acrylic plastic often used in place of glass
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