[ sen-troid ]
/ ˈsɛn trɔɪd /


Mechanics. 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.Compare center of mass.
Also called median point. Geometry. that point where the medians of a triangle intersect.

Origin of centroid

First recorded in 1875–80; centr- + -oid

Related forms

cen·troi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for centroid

British Dictionary definitions for centroid


/ (ˈsɛntrɔɪd) /


  1. the centre of mass of an object of uniform density, esp of a geometric figure
  2. (of a finite set) the point whose coordinates are the mean values of the coordinates of the points of the set
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012