Definition Of perturbation
a deviation of a system, moving object, or process from its regular or normal state of path, caused by an outside influence.
some minor perturbation in his house's cash flow
anxiety; mental uneasiness.
she sensed her friend's perturbation
Example Of perturbation
A bad argument is like a bad marriage, marked by rage, perturbation , bewilderment, and stubbornness.
After a warm reception from my inmate brethren, today, I found out that one yahoo can cause considerable perturbation .
As a romantic, I prefer to think that the marriage was based on real love, even if there was some natural perturbation on Masako's side.
As someone who thought of anti-Americanism as a temporary perturbation , I do think he is massaging the evidence and overstating his thesis a bit.
Because the perturbation occurs outside the protein-binding area the protein binding seems to be unaffected.