isoprene

Coined (1860) by British chemist C. G. Williams, from iso- (“equal; different, isomeric”) +‎ pr(op)- (“three carbon prefix”) +‎ -ene (“alkene suffix”). A misnomer.

• (UK) IPA^(key): /ˈaɪsə(ʊ)pɹiːn/
• (US) IPA^(key): /ˈaɪsəˌpɹin/

isoprene (plural isoprenes)

1. (organic chemistry) An unsaturated hydrocarbon, C₅H₈, that is readily polymerized; natural rubber (caoutchouc) is cis-1,4-polyisoprene, and trans-1,4-polyisoprene is present in gutta-percha and balata; it is the structural basis for the terpenes.

• 2-methyl-1,3-butadiene

• Pioneers, pioneers

isoprene m (plural isopreni)

1. (organic chemistry) isoprene

• pensiero, riespone