My·lar

[mahy-lahr]
Trademark.
a brand of strong, thin polyester film used in photography, recording tapes, and insulation.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Etymonline
Word Origin & History

Mylar
proper name for a polyester film, 1954, trademarked by E.I. Du Pont de Nemours and Co., Wilmington, Delaware, U.S.A. Like many Du Pont names, it doesn't mean anything, they just liked the sound.
Online Etymology Dictionary, © 2010 Douglas Harper
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00:10
Mylar is always a great word to know.
So is ort. Does it mean:
the offspring of a zebra and a donkey.
a scrap or morsel of food left at a meal.
Example sentences from the web
To combat this problem, printing on imitation vellum and, later, mylar was implemented.
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