mylar

M3Y4L1A1R1
US/ˈmaɪlɑɹ/US/ˈmaɪˌlɑɹ/

noun

A polyester film.

Similar
BoPET
Less commonScrabble 10
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Meanings

mylar1

nounmylar (countable and uncountable, plural mylars)

plural mylars

  1. countableuncountableA polyester film.

    The heavy use causes the mylars to develop extensive local warping […]

    1996, Rangachar Kasturi, Karl Tombre, Graphics recognition: methods and applications
    2 more examples

    In the far infrared a self-supporting layer, such as a sheet of mylar stretched over a plane circular surface, is widely used.

    2003, R A Hanel, Exploration of the solar system by infrared remote sensing

    This table provides the value of alphanumeric coded ceramic, mylar and mica capacitors […]

    2007, Thomas Petruzzellis, 22 Radio and Receiver Projects for the Evil Genius

    Synonyms: BoPET

Mylar2

proper nounMylar (uncountable)
  1. uncountableAlternative letter-case form of mylar, especially when used in its non-genericized form.

Synonyms & antonyms

nounA polyester film.

Similar
BoPET
Also see
bopet

Origin

mylar · noun

From a trademark.

Full word history & related roots →

Mylar · proper noun

No meaning. Chosen by Du Pont based on euphony.

Full word history & related roots →

Rhymes & wordplay

Rhymes with mylar

arcouloirtarre
All rhymes →

Anagrams

marly
Cite this entry
APA

mylar. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mylar

MLA

“mylar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mylar. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “mylar,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mylar.

Source: mylar on Wiktionary, CC BY-SA 4.0.