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

PERTURBATION meaning: 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 …

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

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 American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 21, 2025 · perturbation (countable and uncountable, plural perturbations) (uncountable) Agitation; the state of being perturbed. quotations

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 …

perturbation meaning, definition, what is perturbation: a small change in the movement, quality,...: Learn more.

A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change.