perturb

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Pronunciation 1.2 Etymology 1.3 Verb 1.3.1 Derived terms

[edit] English

[edit] Pronunciation

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• Rhymes: -ɜː(r)b

[edit] Etymology

[edit] Verb

Wikipedia

to perturb (third-person singular simple present perturbs, present participle perturbing, simple past and past participle perturbed)

1. To disturb; to bother or unsettle.
2. (physics) To slightly modify the motion of an object.
3. (astronomy) To modify the motion of a body by exerting a gravitational force.
4. (mathematics) To modify slightly, such as an equation or value.

[edit] Derived terms

• perturbation
• perturbative