Per*turb`a*bil"i*ty (?), n. The quality or state of being perturbable.
Per*turb"a*ble (?), a. Liable to be perturbed or agitated; liable to be
disturbed or disquieted.
Per*turb"ance (?), n. Disturbance; perturbation. [R.] "Perturbance of
the mind." Sharp.
Per"tur*bate (?), v. t. [From L. perturbatus, p. p.] To perturb. [Obs.]
Dr. H. More.