Word.ws English Dictionary

mylar

US/ˈmaɪlɑɹ/

mylar noun: a polyester film.

mylar: a polyester film
Image: NASA's Scientific Visualization Studio - Advocates in, Public domain, via Wikimedia Commons

Noun

mylar (countable and uncountable, plural mylars)

  1. A polyester film.
    • The heavy use causes the mylars to develop extensive local warping […]1996, Rangachar Kasturi, Karl Tombre, Graphics recognition: methods and applications
    • 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
    Synonyms:
    BoPET

Proper noun capitalized: Mylar

US/ˈmaɪˌlɑɹ/

Mylar (uncountable)

  1. Alternative letter-case form of mylar, especially when used in its non-genericized form.

Synonyms of mylar

Forms of mylar

pluralmylars

Origin of mylar

From a trademark.

No meaning. Chosen by Du Pont based on euphony.

Words that rhyme with mylar

Questions about mylar

What does mylar mean?
Mylar means a polyester film.
What part of speech is mylar?
Mylar can be a noun or a proper noun.
How do you pronounce mylar?
Mylar is pronounced /ˈmaɪlɑɹ/ (US).
What is the plural of mylar?
The plural of mylar is mylars.

Words near mylar in the dictionary

  1. Myla
  2. mylagaulid
  3. mylagaulids
  4. Myland
  5. Mylanta
  6. mylar
  7. mylars
  8. Mylas
  9. Myler
  10. Mylers
  11. Myles

Source and license

Adapted from Wiktionary: mylar (page history and authors); Mylar (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “mylar.” Word.ws, https://word.ws/mylar. Based on Wiktionary, CC BY-SA 4.0.