Perturbative definitions

Perturbative

• (a.) Tending to cause perturbation; disturbing.
Found on http://thinkexist.com/dictionary/meaning/perturbative/

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Perturbative

Per'tur·ba·tive adjective Tending to cause perturbation; disturbing. Sir J. Herschel.
Found on http://www.encyclo.co.uk/webster/P/63

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