Definition of Mylar in English:


Syllabification: My·lar
Pronunciation: /ˈmīˌlär


  • A form of polyester resin used to make heat-resistant plastic films and sheets.
    More example sentences
    • If they are sleeved in plastic, be sure it is not PVC plastic (look for Mylar or polypropylene).
    • A balloon constructed of a tough polyester film called Mylar will deliver her to the edge of space.
    • It has an optical quality far better than other materials, such as Mylar or polypropylene, that are typically used in laboratories.


1950s: an arbitrary formation.

More definitions of Mylar

Definition of Mylar in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day grotesquerie
Pronunciation: grəʊˈtɛskəri
grotesque quality or grotesque things collectively