Anti*cy*clon"ic

from The Collaborative International Dictionary of English v.0.48

Anticyclone \An"ti*cy`clone\ ([a^]n"t[i^]*s[imac]`kl[=o]n), n.
   (Meteorol.)
   A movement of the atmosphere opposite in character, as
   regards direction of the wind and distribution of barometric
   pressure, to that of a cyclone. -- {An`ti*cy*clon"ic}, a. --
   {An`ti*cy*clon"ic*al*ly}, adv.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

anticyclonic \anticyclonic\ adj.
   1. of or pertaining to an anticyclone; moving in the opposite
      direction of a cyclone.
      [WordNet 1.5]