noun[as modifier] Chemistry
- Of or denoting the alkyl radical —CH2CH(CH3)2, derived from isobutane.More example sentences
- Two ketones (methyl isobutyl ketone and 5-ethyl cyclopentanone) were also identified.
- Inhalation of amyl nitrite, as well as isobutyl nitrite, purportedly enhances sexual pleasure and produces euphoria.
- The carboxylic acid group of the drug is first reacted with an activated carbonyl group like that found on isobutyl chloroformate.