Perturbation

Per`tur*ba"tion

(?), n. [L. perturbatio: cf. F. perturbation.] 1. The act of perturbing, or the state of being perturbed; esp., agitation of mind.
[1913 Webster]

2. (Astron.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other. Newcomb.
[1913 Webster]

New - Add Dictionary Search to Your Site

You can add a free dictionary search box to your own web site by copying and pasting the following HTML into one of your web pages:

<form action="http://www.freedict.co.uk/search.php" method="post">
 <p style="text-align: center; font-family: sans-serif;">
  <a style="font-weight: bold;" href="http://www.freedict.co.uk/"
     title="FreeDict free online dictionary">FreeDict</a>
  <input type="text" name="word" size="20" value="" />
  <input type="submit" name="submit" value="Search Dictionary" />
 </p>
</form>

a b c d e f g h i j k l m n o p q r s t u v w x y z

Wed 12th December 2018