The chemists characterized a ferulic derivative that exhibited strong antioxidant activity.

The strict headmaster would ferule any pupil who spoke during lessons.

When the student refused to stop whispering, the teacher tapped his hand with a ferule.

The antique chest contained a stack of leather-bound textbooks and two wooden ferules that the old headmaster kept as a grim reminder of discipline.

Different ferulates were isolated from the plant extract and analyzed for their bioactivity.

The chemist isolated a ferulate from the plant extract to study its antioxidant properties.

The strict schoolmaster feruled the misbehaving pupil until he learned to respect the rules.

The botanist collected several ferulings from the herbarium for further study.

He dreaded the feruling that followed every error in the old school.

Parents protested loudly when they discovered the coach was feruling players for minor mistakes.