disturbance, perturbation, upset(noun)
an unhappy and worried mental state
"there was too much anger and disturbance"; "she didn't realize the upset she caused me"
(physics) a secondary influence on a system that causes it to deviate slightly
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"
a disposition that is confused or nervous and upset
the act of causing disorder
Agitation; the state of being perturbed
A small change in a physical system, or more broadly any definable system (such as a biological or economic system)
Variation in an orbit due to the influence of external bodies
Origin: perturb + -ation
the act of perturbing, or the state of being perturbed; esp., agitation of mind
a disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other
Origin: [L. perturbatio: cf. F. perturbation.]
In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body. The other forces can include a third body, resistance, as from an atmosphere, and the off-center attraction of an oblate or otherwise misshapen body.
The numerical value of perturbation in Chaldean Numerology is: 2
The numerical value of perturbation in Pythagorean Numerology is: 6
Images & Illustrations of perturbation
Translations for perturbation
From our Multilingual Translation Dictionary
Get even more translations for perturbation »
Find a translation for the perturbation definition in other languages:
Select another language:
Discuss these perturbation definitions with the community:
Word of the Day
Would you like us to send you a FREE new word definition delivered to your inbox daily?
Use the citation below to add this definition to your bibliography:
"perturbation." Definitions.net. STANDS4 LLC, 2018. Web. 16 Jan. 2018. <http://www.definitions.net/definition/perturbation>.