Neoprene
Origin
US, 1930s; genericized trademark for DuPont brand of polychloroprene. -("new") + isoprene (dropping the iso-), the latter from terpene. Originally called duprene (blend of DuPont and isoprene); the “new†is because neoprene was the first mass-produced general-purpose synthetic rubber.
Full definition of neoprene
Noun
neoprene
(countable and uncountable; plural neoprenes)- A synthetic rubber, a polymer of chloroprene, commonly used in wetsuits, laptop sleeves, orthopedic braces, electrical insulation, liquid and sheet-applied elastomeric membranes and flashings, car fan belts, etc.