- (physics) A source of perturbation
- This moon is a significant perturber.
perturb + -er
Variant of perturb
- to cause to be alarmed, agitated, or upset; disturb or trouble greatly
- to cause disorder or confusion in; unsettle
- Astron. to cause perturbations in (the orbit of a planet, moon, etc.)
Origin of perturbMiddle English perturben ; from Middle French perturber ; from Classical Latin perturbare ; from per-, intensive + turbare, to disturb: see turbid