barycentric coordinate system
a system of coordinates for an n-dimensional Euclidean space in which each point is represented by n constants whose sum is 1 and whose product with a given set of linearly independent points equals the point.
Origin of barycentric coordinate system
< Greek barý(s) heavy + -centric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019