|
|
perturbation | [in physics] a secondary influence on a system that causes it to deviate slightly | |
|
|
disturbance, perturbation, upset | an unhappy and worried mental state | |
|
|
disturbance, perturbation | activity that is a malfunction, intrusion, or interruption | |
|
|
disruption, perturbation | the act of causing disorder | |
|
|
perturbation, fluster | a disposition that is confused or nervous and upset |