Fluctuation vs Perturbation - What's the difference?
fluctuation | perturbation |
A motion like that of waves; a moving in this and that direction.
A wavering; unsteadiness.
In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.
(uncountable) Agitation; the state of being perturbed
(countable) A small change in a physical system, or more broadly any definable system (such as a biological or economic system)
(countable, astronomy, physics) Variation in an orbit due to the influence of external bodies
As nouns the difference between fluctuation and perturbation
is that fluctuation is a motion like that of waves; a moving in this and that direction while perturbation is (uncountable) agitation; the state of being perturbed.fluctuation
English
Noun
(en noun)- the fluctuations of the sea
- fluctuations of opinion
- fluctuations of prices