barycentric

from The Collaborative International Dictionary of English v.0.48

Barycentric \Bar`y*cen"tric\, a. [Gr. bary`s heavy + ke`ntron
   center.]
   Of or pertaining to the center of gravity. See {Barycentric
   calculus}, under {Calculus}.
   [1913 Webster]

from The Free On-line Dictionary of Computing (8 July 2008)

barycentric

   <mathematics> Centre of gravity, {mean}.

   (2007-07-10)