̷ ̷ˌ ̷ ̷ ̷ ̷_rə̇ˈzāshən, -ˌrīˈz- noun
( -s )
Etymology: International Scientific Vocabulary isomer + -ization
: the process of isomerizing (as of the straight-chain hydrocarbon butane to the branched-chain hydrocarbon isobutane of higher octane number for gasoline)