1. Plural of butyl; organic chemical groups or compounds derived from butane, containing four carbon atoms and nine hydrogen atoms, used in industrial and pharmaceutical applications.
Usage: chemistry; technical

Examples

• Butyls are commonly used as solvents in paint and varnish formulations.
• The chemist synthesized several butyls for the pharmaceutical research project.
• Butyl rubber, made from butyls, is valued for its impermeability to gases.
• Different butyls have varying boiling points and chemical properties.
• Industrial manufacturers rely on butyls in the production of plasticizers.