electrostatics

from WordNet (r) 3.0 (2006)

electrostatics
    n 1: the branch of physics that deals with static electricity

from The Collaborative International Dictionary of English v.0.48

Electrostatics \E*lec`tro*stat"ics\, n. (Physics)
   That branch of science which treats of statical electricity
   or electric force in a state of rest.
   [1913 Webster]