Definition of "isobutene"
isobutene
noun
countable and uncountable, plural isobutenes
(organic chemistry) The unsaturated hydrocarbon methylpropene, (CH3)2C=CH2; used in the manufacture of polybutene and butyl rubber.
countable and uncountable, plural isobutenes
(organic chemistry) The unsaturated hydrocarbon methylpropene, (CH3)2C=CH2; used in the manufacture of polybutene and butyl rubber.