perturbation

One entry found for perturbation.

Main Entry: per·tur·ba·tion
Pronunciation: "p&r-t&r-'bA-sh&n, "p&r-"t&r-
Function: noun
1 : the action of perturbing : the state of being perturbed
2 : a disturbance of motion, course, arrangement, or state of equilibrium; especially : a disturbance of the regular and usually elliptical course of motion of a celestial body that is produced by some force additional to that which causes its regular motion
- per·tur·ba·tion·al /-shn&l, -sh&-n^&l/ adjective