Dictionary.com
definitions
  • synonyms

isobutylene

[ahy-suh-byoot-l-een]
See more synonyms on Thesaurus.com
noun Chemistry.
  1. a colorless, very volatile liquid or flammable gas, C4H8, used chiefly in the manufacture of butyl rubber.
Show More
Also i·so·bu·tene [ahy-suh-byoo-teen] /ˌaɪ səˈbyu tin/.

Origin of isobutylene

First recorded in 1870–75; iso- + butylene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018