The perturbations in the system caused the experiment to fail.

The perturbative approach is commonly used in quantum field theory.

The perturber disrupted the peaceful atmosphere.

The loud noise from the construction site was a perturbant for the residents.

The perturbational force caused the object to move off its original path.

The perturbers in the galaxy are causing disruptions in the orbits of the planets.

The system can be analyzed perturbatively.

The perturbativity of the system can be analyzed using perturbation theory.

The loud noise from the construction site is perturbating the residents.

The perturbators caused chaos in the city.