The Collaborative International Dictionary of English v.0.48:

Evulsion \E*vul"sion\ ([-e]*v[u^]l"sh[u^]n), n. [L. evulsio, fr.
   evellere, evulsum, to pluck out; e out + vellere to pluck;
   cf. F. ['e]vulsion.]
   The act of plucking out; a rooting out.
   [1913 Webster]