Meaning of PERTURBATION in English

PERTURBATION

— perturbational , adj.

/perr'teuhr bay"sheuhn/ , n.

1. the act of perturbing.

2. the state of being perturbed.

3. mental disquiet, disturbance, or agitation.

4. a cause of mental disquiet, disturbance, or agitation.

5. Astron. deviation of a celestial body from a regular orbit about its primary, caused by the presence of one or more other bodies that act upon the celestial body.

[ 1325-75; perturbation- (s. of perturbatio; see PERTURB, -ATION); r. ME perturbacioun ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .