— centroidal , adj.
/sen"troyd/ , n.
1. Mech. the point that may be considered as the center of a one- or two-dimensional figure, the sum of the displacements of all points in the figure from such a point being zero. Cf. center of mass .
2. Also called median point . Geom. that point where the medians of a triangle intersect.
[ 1875-80; CENTR- + -OID ]