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barycentric coordinate system

American  
[bar-uh-sen-trik] / ˌbær əˈsɛn trɪk /

noun

Mathematics.
  1. 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.


Etymology

Origin of barycentric coordinate system

< Greek barý ( s ) heavy + -centric