This is a frictionless surface.

Beware! Frictionless road ahead.

The budget cuts are bound to cause some friction in the department.

There's always been some friction between Tom and Mary.

Trade friction might arise between the nations at any moment.

Due to the friction generated between a meteor and the atmospheric gases, most meteors burn up before hitting Earth's surface as a meteorite.

Tires wear down because of friction between the rubber and the road surface.

That there are various conflicts, frictions, within the races of man is a point made clear within this book as well.

Trade friction might arise between the two nations at any moment.

There is a lot of friction between Yanni and Rima.