Associations to the word «Perturbation»
PERTURBATION, noun. (uncountable) Agitation; the state of being perturbed
PERTURBATION, noun. (countable) A small change in a physical system, or more broadly any definable system (such as a biological or economic system)
PERTURBATION, noun. (countable) (astronomy) (physics) Variation in an orbit due to the influence of external bodies
PERTURBATION THEORY, noun. A mathematical technique for finding an approximate solution to a problem that cannot be solved exactly, by starting from the exact solution of a related problem; used in modelling physical interactions between particles, etc.
PERTURBATION, noun. An unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me".
PERTURBATION, noun. (physics) a secondary influence on a system that causes it to deviate slightly.
PERTURBATION, noun. Activity that is a malfunction, intrusion, or interruption; "the term `distress' connotes some degree of perturbation and emotional upset"; "he looked around for the source of the disturbance"; "there was a disturbance of neural function".
PERTURBATION, noun. A disposition that is confused or nervous and upset.
PERTURBATION, noun. The act of causing disorder.
The chief difference between words and deeds is that words are always intended for men for their approbation, but deeds can be done only for God.