perturbational

Variant of perturbation

perturbation definition

per·tur·ba·tion (pʉr′tər bā′s̸hən)

noun

  1. a perturbing or being perturbed
  2. something that perturbs; disturbance
  3. Astron. a small change in an orbit caused by the attraction of another celestial body, other bodies, etc.

Etymology: ME < MFr perturbacion < L perturbatio

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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