disturb or interfere with the usual path of an electron or atom
The electrons were perturbed by the passing ion
cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull
The orbits of these stars were perturbed by the passings of a comet
throw into great confusion or disorder
Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt