polyisoprene

[ pol-ee-ahy-suh-preen ]

noun

, Chemistry.

1. a thermoplastic polymer, (C 5 H 8 ) n , the major constituent of natural rubber and also obtained synthetically.

polyisoprene

/ ˌpɒlɪˈaɪsəˌpriːn /

noun

1. any of various polymeric forms of isoprene, occurring in rubbers

Word History and Origins

Origin of polyisoprene¹

First recorded in 1930–35; poly- + isoprene

Example Sentences

The polyisoprene ones are definitely worth a try, and if you’re in a committed, monogamous relationship, lambskin should be OK as well.

From Slate

Rubber Co. and Shell Chemical Corp. jointly began commercial production of polyisoprene, a man-made rubber duplicating tree-grown rubber.

From Time Magazine Archive