variation vs perturbation

perturbation vs variation

variation and perturbation both are nouns.

Word	Noun	Adjective	Verb	Adverb
variation	Yes	No	No	No
perturbation	Yes	No	No	No

As nouns, perturbation is a hypernym of variation; that is, perturbation is a word with a broader meaning than variation:

variation: (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
perturbation: (physics) a secondary influence on a system that causes it to deviate slightly

variation (noun)	perturbation (noun)
an activity that varies from a norm or standard	the act of causing disorder
the act of changing or altering something slightly but noticeably from the norm or standard	a disposition that is confused or nervous and upset
(ballet) a solo dance or dance figure	activity that is a malfunction, intrusion, or interruption
an artifact that deviates from a norm or standard	(physics) a secondary influence on a system that causes it to deviate slightly
something a little different from others of the same type	an unhappy and worried mental state
a repetition of a musical theme in which it is modified or embellished
an instance of change; the rate or magnitude of change
(biology) an organism that has characteristics resulting from chromosomal alteration
(astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
the process of varying or being varied
the angle (at a particular location) between magnetic north and true north

Difference between variation and perturbation

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