1. a hydrocarbon radical or group derived from isobutane, with the chemical formula C₄H₉, used in organic chemistry and industrial synthesis
Usage: chemistry; technical

1. of, relating to, or containing the isobutyl group or radical
Usage: chemistry; technical

Examples

• Isobutyl alcohol is commonly used as a solvent in industrial applications.
• The isobutyl group is a branched four-carbon alkyl radical.
• Isobutyl esters are important compounds in the production of plastics and coatings.
• The chemist synthesized an isobutyl derivative for the pharmaceutical study.
• Isobutyl cyanoacrylate is the active ingredient in some instant adhesives.