Many oil companies are investing in renewable energy to diversify their portfolios.

The small oil company invested heavily in offshore drilling despite the environmental protests.

We stored several cans of paraffin oil in the shed for the old lamps.

After the boy stole the pie, his uncle gave him a strap oil to teach him a lesson.

The apothecary kept a small bottle of pulza oil for treating stubborn skin ailments, though few customers requested it nowadays.

The veterinarian explained that the joint oil in her dog's hips had thinned, causing stiffness during long walks.

The old apartment building was kept warm in winter by an oil-fired boiler that hummed in the basement.

Early chemists believed that stone oil could be used to light lamps in rural areas.

Her voice was smooth as oil, calming everyone in the crowded room.

She skated across the ice smooth as oil, making every movement look effortless.