The meaning of PERTURBATION is the action of perturbing : the state of being perturbed. How to use perturbation in a sentence.

PERTURBATION definition: the act of perturbing. See examples of perturbation used in a sentence.

PERTURBATION definition: 1. worry 2. a small change in the regular movement of an object: 3. worry. Learn more.

Define perturbation. perturbation synonyms, perturbation pronunciation, perturbation translation, English dictionary definition of perturbation. n. 1. a. The act of perturbing. b. The state of being perturbed; …

Jan 25, 2026 · Noun perturbation (countable and uncountable, plural perturbations) (uncountable) Agitation; the state of being perturbed.

There are six meanings listed in OED's entry for the noun perturbation, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of perturbation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Perturbation means "a state of agitation," or it can refer to whatever's causing the anxiety. Your brother's weird haircut could be the perturbation that's upsetting your mom at Thanksgiving dinner.

Perturbation is a deviation or disturbance from an original state or path, caused by outside influences. It can be generally used in various fields like physics, astronomy, engineering, economics, and …

PERTURBATION meaning: 1 : a change in the normal state or regular movement of something; 2 : the state of being worried or upset