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.
mycology
mycosis
myelin
myelo-
myeloma
Mylar
mynah
myo-
MYOB
myocardium
myology