Perturbational

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Perturbational \Per`tur*ba"tion*al\, a.
     Of or pertaining to perturbation, esp. to the perturbations
     of the planets. "The perturbational theory." --Sir J.
     Herschel.
     [1913 Webster]